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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/test_assembler_unittest.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/test_assembler_unittest.cc | 1662 |
1 files changed, 1662 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/test_assembler_unittest.cc b/toolkit/crashreporter/google-breakpad/src/common/test_assembler_unittest.cc new file mode 100644 index 000000000..94b5a5ce5 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/test_assembler_unittest.cc @@ -0,0 +1,1662 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> + +// test_assembler_unittest.cc: Unit tests for google_breakpad::TestAssembler. + +#include <string> +#include <string.h> + +#include "breakpad_googletest_includes.h" +#include "common/test_assembler.h" +#include "common/using_std_string.h" + +using google_breakpad::test_assembler::Label; +using google_breakpad::test_assembler::Section; +using google_breakpad::test_assembler::kBigEndian; +using google_breakpad::test_assembler::kLittleEndian; +using testing::Test; + +TEST(ConstructLabel, Simple) { + Label l; +} + +TEST(ConstructLabel, Undefined) { + Label l; + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(ConstructLabelDeathTest, Undefined) { + Label l; + ASSERT_DEATH(l.Value(), "IsKnownConstant\\(&v\\)"); +} + +TEST(ConstructLabel, Constant) { + Label l(0x060b9f974eaf301eULL); + uint64_t v; + EXPECT_TRUE(l.IsKnownConstant(&v)); + EXPECT_EQ(v, 0x060b9f974eaf301eULL); + EXPECT_EQ(l.Value(), 0x060b9f974eaf301eULL); +} + +TEST(ConstructLabel, Copy) { + Label l; + Label m(l); + uint64_t v; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &v)); + EXPECT_EQ(0U, v); +} + +// The left-hand-side of a label assignment can be either +// unconstrained, related, or known. The right-hand-side can be any of +// those, or an integer. +TEST(Assignment, UnconstrainedToUnconstrained) { + Label l, m; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, UnconstrainedToRelated) { + Label l, m, n; + l = n; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, UnconstrainedToKnown) { + Label l, m; + l = 0x8fd16e55b20a39c1ULL; + l = m; + EXPECT_EQ(0U, l-m); + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(m, &d)); + EXPECT_EQ(0U, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x8fd16e55b20a39c1ULL, m.Value()); +} + +TEST(Assignment, RelatedToUnconstrained) { + Label l, m, n; + m = n; + l = m; + EXPECT_EQ(0U, l-n); + EXPECT_TRUE(l.IsKnownOffsetFrom(n)); + uint64_t d; + EXPECT_TRUE(l.IsKnownOffsetFrom(n, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, RelatedToRelated) { + Label l, m, n, o; + l = n; + m = o; + l = m; + EXPECT_EQ(0U, n-o); + EXPECT_TRUE(n.IsKnownOffsetFrom(o)); + uint64_t d; + EXPECT_TRUE(n.IsKnownOffsetFrom(o, &d)); + EXPECT_EQ(0U, d); + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(Assignment, RelatedToKnown) { + Label l, m, n; + m = n; + l = 0xd2011f8c82ad56f2ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, m.Value()); + EXPECT_TRUE(n.IsKnownConstant()); + EXPECT_EQ(0xd2011f8c82ad56f2ULL, n.Value()); +} + +TEST(Assignment, KnownToUnconstrained) { + Label l, m; + m = 0x50b024c0d6073887ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x50b024c0d6073887ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x50b024c0d6073887ULL, m.Value()); +} + +TEST(Assignment, KnownToRelated) { + Label l, m, n; + l = n; + m = 0x5348883655c727e5ULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, m.Value()); + EXPECT_TRUE(n.IsKnownConstant()); + EXPECT_EQ(0x5348883655c727e5ULL, n.Value()); +} + +TEST(Assignment, KnownToKnown) { + Label l, m; + l = 0x36c209c20987564eULL; + m = 0x36c209c20987564eULL; + l = m; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x36c209c20987564eULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x36c209c20987564eULL, m.Value()); +} + +TEST(Assignment, ConstantToUnconstrained) { + Label l; + l = 0xc02495f4d7f5a957ULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xc02495f4d7f5a957ULL, l.Value()); +} + +TEST(Assignment, ConstantToRelated) { + Label l, m; + l = m; + l = 0x4577901cf275488dULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0x4577901cf275488dULL, l.Value()); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x4577901cf275488dULL, m.Value()); +} + +TEST(Assignment, ConstantToKnown) { + Label l; + l = 0xec0b9c369b7e8ea7ULL; + l = 0xec0b9c369b7e8ea7ULL; + EXPECT_TRUE(l.IsKnownConstant()); + EXPECT_EQ(0xec0b9c369b7e8ea7ULL, l.Value()); +} + +TEST(AssignmentDeathTest, Self) { + Label l; + ASSERT_DEATH(l = l, "binding != this"); +} + +TEST(AssignmentDeathTest, IndirectCycle) { + Label l, m, n; + l = m; + m = n; + ASSERT_DEATH(n = l, "binding != this"); +} + +TEST(AssignmentDeathTest, Cycle) { + Label l, m, n, o; + l = m; + m = n; + o = n; + ASSERT_DEATH(o = l, "binding != this"); +} + +TEST(Addition, LabelConstant) { + Label l, m; + m = l + 0x5248d93e8bbe9497ULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x5248d93e8bbe9497ULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Addition, ConstantLabel) { + Label l, m; + m = 0xf51e94e00d6e3c84ULL + l; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0xf51e94e00d6e3c84ULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Addition, KnownLabelConstant) { + Label l, m; + l = 0x16286307042ce0d8ULL; + m = l + 0x3fdddd91306719d7ULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x3fdddd91306719d7ULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x16286307042ce0d8ULL + 0x3fdddd91306719d7ULL, m.Value()); +} + +TEST(Addition, ConstantKnownLabel) { + Label l, m; + l = 0x50f62d0cdd1031deULL; + m = 0x1b13462d8577c538ULL + l; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(0x1b13462d8577c538ULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x50f62d0cdd1031deULL + 0x1b13462d8577c538ULL, m.Value()); +} + +TEST(Subtraction, LabelConstant) { + Label l, m; + m = l - 0x0620884d21d3138eULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(-0x0620884d21d3138eULL, d); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(Subtraction, KnownLabelConstant) { + Label l, m; + l = 0x6237fbaf9ef7929eULL; + m = l - 0x317730995d2ab6eeULL; + EXPECT_TRUE(m.IsKnownOffsetFrom(l)); + uint64_t d; + EXPECT_TRUE(m.IsKnownOffsetFrom(l, &d)); + EXPECT_EQ(-0x317730995d2ab6eeULL, d); + EXPECT_TRUE(m.IsKnownConstant()); + EXPECT_EQ(0x6237fbaf9ef7929eULL - 0x317730995d2ab6eeULL, m.Value()); +} + +TEST(SubtractionDeathTest, LabelLabel) { + Label l, m; + ASSERT_DEATH(l - m, "IsKnownOffsetFrom\\(label, &offset\\)"); +} + +TEST(Subtraction, LabelLabel) { + Label l, m; + l = m + 0x7fa77ec63e28a17aULL; + EXPECT_EQ(0x7fa77ec63e28a17aULL, l - m); + EXPECT_EQ(-0x7fa77ec63e28a17aULL, m - l); +} + +TEST(IsKnownConstant, Undefined) { + Label l; + EXPECT_FALSE(l.IsKnownConstant()); +} + +TEST(IsKnownConstant, RelatedLabel) { + Label l, m; + l = m; + EXPECT_FALSE(l.IsKnownConstant()); + EXPECT_FALSE(m.IsKnownConstant()); +} + +TEST(IsKnownConstant, Constant) { + Label l; + l = 0xf374b1bdd6a22576ULL; + EXPECT_TRUE(l.IsKnownConstant()); +} + +TEST(IsKnownOffsetFrom, Unrelated) { + Label l, m; + EXPECT_FALSE(l.IsKnownOffsetFrom(m)); +} + +TEST(IsKnownOffsetFrom, Related) { + Label l, m; + l = m; + EXPECT_TRUE(l.IsKnownOffsetFrom(m)); +} + +// Test the construction of chains of related labels, and the +// propagation of values through them. +// +// Although the relations between labels are supposed to behave +// symmetrically --- that is, 'a = b' should put a and b in +// indistinguishable states --- there's a distinction made internally +// between the target (a) and the source (b). +// +// So there are five test axes to cover: +// +// - Do we construct the chain with assignment ("Assign") or with constructors +// ("Construct")? +// +// - Do we set the value of the label at the start of the chain +// ("Start") or the label at the end ("End")? +// +// - Are we testing the propagation of a relationship between variable +// values ("Relation"), or the propagation of a known constant value +// ("Value")? +// +// - Do we set the value before building the chain ("Before") or after +// the chain has been built ("After")? +// +// - Do we add new relationships to the end of the existing chain +// ("Forward") or to the beginning ("Backward")? +// +// Of course, "Construct" and "Backward" can't be combined, which +// eliminates eight combinations, and "Construct", "End", and "Before" +// can't be combined, which eliminates two more, so there are are 22 +// combinations, not 32. + +TEST(LabelChain, AssignStartRelationBeforeForward) { + Label a, b, c, d; + Label x; + a = x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationBeforeBackward) { + Label a, b, c, d; + Label x; + a = x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationAfterForward) { + Label a, b, c, d; + Label x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartRelationAfterBackward) { + Label a, b, c, d; + Label x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, AssignStartValueBeforeForward) { + Label a, b, c, d; + a = 0xa131200190546ac2ULL; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0xa131200190546ac2ULL + 0x111U, d.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0x11U, c.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0x1U, b.Value()); + EXPECT_EQ(0xa131200190546ac2ULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueBeforeBackward) { + Label a, b, c, d; + a = 0x8da17e1670ad4fa2ULL; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x111U, d.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x11U, c.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0x1U, b.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueAfterForward) { + Label a, b, c, d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + a = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x111U, d.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x11U, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0x1U, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignStartValueAfterBackward) { + Label a, b, c, d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + a = 0xc86ca1d97ab5df6eULL; + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x111U, d.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x11U, c.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0x1U, b.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL + 0U, a.Value()); +} + +TEST(LabelChain, AssignEndRelationBeforeForward) { + Label a, b, c, d; + Label x; + x = d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0U, d-x); +} + +TEST(LabelChain, AssignEndRelationBeforeBackward) { + Label a, b, c, d; + Label x; + x = d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0U, d-x); +} + +TEST(LabelChain, AssignEndRelationAfterForward) { + Label a, b, c, d; + Label x; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, AssignEndRelationAfterBackward) { + Label a, b, c, d; + Label x; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, AssignEndValueBeforeForward) { + Label a, b, c, d; + d = 0xa131200190546ac2ULL; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + EXPECT_EQ(0xa131200190546ac2ULL - 0x111, a.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x110, b.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x100, c.Value()); + EXPECT_EQ(0xa131200190546ac2ULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueBeforeBackward) { + Label a, b, c, d; + d = 0x8da17e1670ad4fa2ULL; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x111, a.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x110, b.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x100, c.Value()); + EXPECT_EQ(0x8da17e1670ad4fa2ULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueAfterForward) { + Label a, b, c, d; + b = a + 0x1; + c = b + 0x10; + d = c + 0x100; + d = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x111, a.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x110, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x100, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x000, d.Value()); +} + +TEST(LabelChain, AssignEndValueAfterBackward) { + Label a, b, c, d; + d = c + 0x100; + c = b + 0x10; + b = a + 0x1; + d = 0xc86ca1d97ab5df6eULL; + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x111, a.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x110, b.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x100, c.Value()); + EXPECT_EQ(0xc86ca1d97ab5df6eULL - 0x000, d.Value()); +} + +TEST(LabelChain, ConstructStartRelationBeforeForward) { + Label x; + Label a(x); + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, ConstructStartRelationAfterForward) { + Label x; + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + a = x; + EXPECT_EQ(0x111U, d-x); + EXPECT_EQ(0x11U, c-x); + EXPECT_EQ(0x1U, b-x); + EXPECT_EQ(0U, a-x); +} + +TEST(LabelChain, ConstructStartValueBeforeForward) { + Label a(0x5d234d177d01ccc8ULL); + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x111U, d.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x011U, c.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x001U, b.Value()); + EXPECT_EQ(0x5d234d177d01ccc8ULL + 0x000U, a.Value()); +} + +TEST(LabelChain, ConstructStartValueAfterForward) { + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + a = 0xded85d54586e84fcULL; + EXPECT_EQ(0xded85d54586e84fcULL + 0x111U, d.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x011U, c.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x001U, b.Value()); + EXPECT_EQ(0xded85d54586e84fcULL + 0x000U, a.Value()); +} + +TEST(LabelChain, ConstructEndRelationAfterForward) { + Label x; + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + x = d; + EXPECT_EQ(-(uint64_t)0x111U, a-x); + EXPECT_EQ(-(uint64_t)0x110U, b-x); + EXPECT_EQ(-(uint64_t)0x100U, c-x); + EXPECT_EQ(-(uint64_t)0x000U, d-x); +} + +TEST(LabelChain, ConstructEndValueAfterForward) { + Label a; + Label b(a + 0x1); + Label c(b + 0x10); + Label d(c + 0x100); + d = 0x99b8f51bafd41adaULL; + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x111, a.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x110, b.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x100, c.Value()); + EXPECT_EQ(0x99b8f51bafd41adaULL - 0x000, d.Value()); +} + +TEST(LabelTree, KnownValue) { + Label l, m, n, o, p; + l = m; + m = n; + o = p; + p = n; + l = 0x536b5de3d468a1b5ULL; + EXPECT_EQ(0x536b5de3d468a1b5ULL, o.Value()); +} + +TEST(LabelTree, Related) { + Label l, m, n, o, p; + l = m - 1; + m = n - 10; + o = p + 100; + p = n + 1000; + EXPECT_EQ(1111U, o - l); +} + +TEST(EquationDeathTest, EqualConstants) { + Label m = 0x0d3962f280f07d24ULL; + Label n = 0x0d3962f280f07d24ULL; + m = n; // no death expected +} + +TEST(EquationDeathTest, EqualIndirectConstants) { + Label m = 0xa347f1e5238fe6a1ULL; + Label n; + Label o = n; + n = 0xa347f1e5238fe6a1ULL; + n = m; // no death expected +} + +TEST(EquationDeathTest, ConstantClash) { + Label m = 0xd4cc0f4f630ec741ULL; + Label n = 0x934cd2d8254fc3eaULL; + ASSERT_DEATH(m = n, "addend_ == addend"); +} + +TEST(EquationDeathTest, IndirectConstantClash) { + Label m = 0xd4cc0f4f630ec741ULL; + Label n, o; + n = o; + o = 0xcfbe3b83ac49ce86ULL; + ASSERT_DEATH(m = n, "addend_ == addend"); +} + +// Assigning to a related label may free the next Binding on its +// chain. This test always passes; it is interesting to memory +// checkers and coverage analysis. +TEST(LabelReferenceCount, AssignmentFree) { + Label l; + { + Label m; + l = m; + } + // This should free m's Binding. + l = 0xca8bae92f0376d4fULL; + ASSERT_EQ(0xca8bae92f0376d4fULL, l.Value()); +} + +// Finding the value of a label may free the Binding it refers to. This test +// always passes; it is interesting to memory checkers and coverage analysis. +TEST(LabelReferenceCount, FindValueFree) { + Label l; + { + Label m, n; + l = m; + m = n; + n = 0x7a0b0c576672daafULL; + // At this point, l's Binding refers to m's Binding, which refers + // to n's binding. + } + // Now, l is the only reference keeping the three Bindings alive. + // Resolving its value should free l's and m's original bindings. + ASSERT_EQ(0x7a0b0c576672daafULL, l.Value()); +} + +TEST(ConstructSection, Simple) { + Section s; +} + +TEST(ConstructSection, WithEndian) { + Section s(kBigEndian); +} + +// A fixture class for TestAssembler::Section tests. +class SectionFixture { + public: + Section section; + string contents; + static const uint8_t data[]; + static const size_t data_size; +}; + +const uint8_t SectionFixture::data[] = { + 0x87, 0x4f, 0x43, 0x67, 0x30, 0xd0, 0xd4, 0x0e +}; + +#define I0() +#define I1(a) { a } +#define I2(a,b) { a,b } +#define I3(a,b,c) { a,b,c } +#define I4(a,b,c,d) { a,b,c,d } +#define I5(a,b,c,d,e) { a,b,c,d,e } +#define I6(a,b,c,d,e,f) { a,b,c,d,e,f } +#define I7(a,b,c,d,e,f,g) { a,b,c,d,e,f,g } +#define I8(a,b,c,d,e,f,g,h) { a,b,c,d,e,f,g,h } +#define I9(a,b,c,d,e,f,g,h,i) { a,b,c,d,e,f,g,h,i } +#define ASSERT_BYTES(s, b) \ + do \ + { \ + static const uint8_t expected_bytes[] = b; \ + ASSERT_EQ(sizeof(expected_bytes), s.size()); \ + ASSERT_TRUE(memcmp(s.data(), (const char *) expected_bytes, \ + sizeof(expected_bytes)) == 0); \ + } \ + while(0) + +class Append: public SectionFixture, public Test { }; + +TEST_F(Append, Bytes) { + section.Append(data, sizeof(data)); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(sizeof(data), contents.size()); + EXPECT_TRUE(0 == memcmp(contents.data(), (const char *) data, sizeof(data))); +} + +TEST_F(Append, BytesTwice) { + section.Append(data, sizeof(data)); + section.Append(data, sizeof(data)); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(2 * sizeof(data), contents.size()); + ASSERT_TRUE(0 == memcmp(contents.data(), (const char *) data, sizeof(data))); + ASSERT_TRUE(0 == memcmp(contents.data() + sizeof(data), + (const char *) data, sizeof(data))); +} + +TEST_F(Append, String) { + string s1 = "howdy "; + string s2 = "there"; + section.Append(s1); + section.Append(s2); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_STREQ(contents.c_str(), "howdy there"); +} + +TEST_F(Append, CString) { + section.AppendCString("howdy"); + section.AppendCString(""); + section.AppendCString("there"); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("howdy\0\0there\0", 13), contents); +} + +TEST_F(Append, CStringSize) { + section.AppendCString("howdy", 3); + section.AppendCString("there", 5); + section.AppendCString("fred", 6); + section.AppendCString("natalie", 0); + section.AppendCString("", 10); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("howtherefred\0\0\0\0\0\0\0\0\0\0\0\0", 24), contents); +} + +TEST_F(Append, RepeatedBytes) { + section.Append((size_t) 10, '*'); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_STREQ(contents.c_str(), "**********"); +} + +TEST_F(Append, GeneralLE1) { + section.Append(kLittleEndian, 1, 42); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); +} + +TEST_F(Append, GeneralLE2) { + section.Append(kLittleEndian, 2, 0x15a1); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0xa1, 0x15)); +} + +TEST_F(Append, GeneralLE3) { + section.Append(kLittleEndian, 3, 0x59ae8d); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x8d, 0xae, 0x59)); +} + +TEST_F(Append, GeneralLE4) { + section.Append(kLittleEndian, 4, 0x51603c56); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x56, 0x3c, 0x60, 0x51)); +} + +TEST_F(Append, GeneralLE5) { + section.Append(kLittleEndian, 5, 0x385e2803b4ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0xb4, 0x03, 0x28, 0x5e, 0x38)); +} + +TEST_F(Append, GeneralLE6) { + section.Append(kLittleEndian, 6, 0xc7db9534dd1fULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0x1f, 0xdd, 0x34, 0x95, 0xdb, 0xc7)); +} + +TEST_F(Append, GeneralLE7) { + section.Append(kLittleEndian, 7, 0x1445c9f1b843e6ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xe6, 0x43, 0xb8, 0xf1, 0xc9, 0x45, 0x14)); +} + +TEST_F(Append, GeneralLE8) { + section.Append(kLittleEndian, 8, 0xaf48019dfe5c01e5ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xe5, 0x01, 0x5c, 0xfe, 0x9d, 0x01, 0x48, 0xaf)); +} + +TEST_F(Append, GeneralBE1) { + section.Append(kBigEndian, 1, 0xd0ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(0xd0)); +} + +TEST_F(Append, GeneralBE2) { + section.Append(kBigEndian, 2, 0x2e7eULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2e, 0x7e)); +} + +TEST_F(Append, GeneralBE3) { + section.Append(kBigEndian, 3, 0x37dad6ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x37, 0xda, 0xd6)); +} + +TEST_F(Append, GeneralBE4) { + section.Append(kBigEndian, 4, 0x715935c7ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x71, 0x59, 0x35, 0xc7)); +} + +TEST_F(Append, GeneralBE5) { + section.Append(kBigEndian, 5, 0x42baeb02b7ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x42, 0xba, 0xeb, 0x02, 0xb7)); +} + +TEST_F(Append, GeneralBE6) { + section.Append(kBigEndian, 6, 0xf1cdf10e7b18ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0xf1, 0xcd, 0xf1, 0x0e, 0x7b, 0x18)); +} + +TEST_F(Append, GeneralBE7) { + section.Append(kBigEndian, 7, 0xf50a724f0b0d20ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xf5, 0x0a, 0x72, 0x4f, 0x0b, 0x0d, 0x20)); +} + +TEST_F(Append, GeneralBE8) { + section.Append(kBigEndian, 8, 0xa6b2cb5e98dc9c16ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xa6, 0xb2, 0xcb, 0x5e, 0x98, 0xdc, 0x9c, 0x16)); +} + +TEST_F(Append, GeneralLE1Label) { + Label l; + section.Append(kLittleEndian, 1, l); + l = 42; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); +} + +TEST_F(Append, GeneralLE2Label) { + Label l; + section.Append(kLittleEndian, 2, l); + l = 0x15a1; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0xa1, 0x15)); +} + +TEST_F(Append, GeneralLE3Label) { + Label l; + section.Append(kLittleEndian, 3, l); + l = 0x59ae8d; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x8d, 0xae, 0x59)); +} + +TEST_F(Append, GeneralLE4Label) { + Label l; + section.Append(kLittleEndian, 4, l); + l = 0x51603c56; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x56, 0x3c, 0x60, 0x51)); +} + +TEST_F(Append, GeneralLE5Label) { + Label l; + section.Append(kLittleEndian, 5, l); + l = 0x385e2803b4ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0xb4, 0x03, 0x28, 0x5e, 0x38)); +} + +TEST_F(Append, GeneralLE6Label) { + Label l; + section.Append(kLittleEndian, 6, l); + l = 0xc7db9534dd1fULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0x1f, 0xdd, 0x34, 0x95, 0xdb, 0xc7)); +} + +TEST_F(Append, GeneralLE7Label) { + Label l; + section.Append(kLittleEndian, 7, l); + l = 0x1445c9f1b843e6ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xe6, 0x43, 0xb8, 0xf1, 0xc9, 0x45, 0x14)); +} + +TEST_F(Append, GeneralLE8Label) { + Label l; + section.Append(kLittleEndian, 8, l); + l = 0xaf48019dfe5c01e5ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xe5, 0x01, 0x5c, 0xfe, 0x9d, 0x01, 0x48, 0xaf)); +} + +TEST_F(Append, GeneralBE1Label) { + Label l; + section.Append(kBigEndian, 1, l); + l = 0xd0ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(0xd0)); +} + +TEST_F(Append, GeneralBE2Label) { + Label l; + section.Append(kBigEndian, 2, l); + l = 0x2e7eULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2e, 0x7e)); +} + +TEST_F(Append, GeneralBE3Label) { + Label l; + section.Append(kBigEndian, 3, l); + l = 0x37dad6ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x37, 0xda, 0xd6)); +} + +TEST_F(Append, GeneralBE4Label) { + Label l; + section.Append(kBigEndian, 4, l); + l = 0x715935c7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I4(0x71, 0x59, 0x35, 0xc7)); +} + +TEST_F(Append, GeneralBE5Label) { + Label l; + section.Append(kBigEndian, 5, l); + l = 0x42baeb02b7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x42, 0xba, 0xeb, 0x02, 0xb7)); +} + +TEST_F(Append, GeneralBE6Label) { + Label l; + section.Append(kBigEndian, 6, l); + l = 0xf1cdf10e7b18ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I6(0xf1, 0xcd, 0xf1, 0x0e, 0x7b, 0x18)); +} + +TEST_F(Append, GeneralBE7Label) { + Label l; + section.Append(kBigEndian, 7, l); + l = 0xf50a724f0b0d20ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I7(0xf5, 0x0a, 0x72, 0x4f, 0x0b, 0x0d, 0x20)); +} + +TEST_F(Append, GeneralBE8Label) { + Label l; + section.Append(kBigEndian, 8, l); + l = 0xa6b2cb5e98dc9c16ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I8(0xa6, 0xb2, 0xcb, 0x5e, 0x98, 0xdc, 0x9c, 0x16)); +} + +TEST_F(Append, B8) { + section.Append(1, 0x2a); + section.B8(0xd3U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xd3)); +} + +TEST_F(Append, B8Label) { + Label l; + section.Append(1, 0x2a); + section.B8(l); + l = 0x4bU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x4b)); +} + +TEST_F(Append, B16) { + section.Append(1, 0x2a); + section.B16(0x472aU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x47, 0x2a)); +} + +TEST_F(Append, B16Label) { + Label l; + section.Append(1, 0x2a); + section.B16(l); + l = 0x55e8U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x55, 0xe8)); +} + +TEST_F(Append, B32) { + section.Append(1, 0x2a); + section.B32(0xbd412cbcU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xbd, 0x41, 0x2c, 0xbc)); +} + +TEST_F(Append, B32Label) { + Label l; + section.Append(1, 0x2a); + section.B32(l); + l = 0x208e37d5U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x20, 0x8e, 0x37, 0xd5)); +} + +TEST_F(Append, B64) { + section.Append(1, 0x2a); + section.B64(0x3402a013111e68adULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x34, 0x02, 0xa0, 0x13, 0x11, 0x1e, 0x68, 0xad)); +} + +TEST_F(Append, B64Label) { + Label l; + section.Append(1, 0x2a); + section.B64(l); + l = 0x355dbfbb4ac6d57fULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x35, 0x5d, 0xbf, 0xbb, 0x4a, 0xc6, 0xd5, 0x7f)); +} + +TEST_F(Append, L8) { + section.Append(1, 0x2a); + section.L8(0x26U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x26)); +} + +TEST_F(Append, L8Label) { + Label l; + section.Append(1, 0x2a); + section.L8(l); + l = 0xa8U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xa8)); +} + +TEST_F(Append, L16) { + section.Append(1, 0x2a); + section.L16(0xca6dU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x6d, 0xca)); +} + +TEST_F(Append, L16Label) { + Label l; + section.Append(1, 0x2a); + section.L16(l); + l = 0xd21fU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x1f, 0xd2)); +} + +TEST_F(Append, L32) { + section.Append(1, 0x2a); + section.L32(0x558f6181U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x81, 0x61, 0x8f, 0x55)); +} + +TEST_F(Append, L32Label) { + Label l; + section.Append(1, 0x2a); + section.L32(l); + l = 0x4b810f82U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x82, 0x0f, 0x81, 0x4b)); +} + +TEST_F(Append, L64) { + section.Append(1, 0x2a); + section.L64(0x564384f7579515bfULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xbf, 0x15, 0x95, 0x57, 0xf7, 0x84, 0x43, 0x56)); +} + +TEST_F(Append, L64Label) { + Label l; + section.Append(1, 0x2a); + section.L64(l); + l = 0x424b1d020667c8dbULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xdb, 0xc8, 0x67, 0x06, 0x02, 0x1d, 0x4b, 0x42)); +} + +TEST_F(Append, D8Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D8(0xe6U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xe6)); +} + +TEST_F(Append, D8BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D8(l); + l = 0xeeU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0xee)); +} + +TEST_F(Append, D16Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D16(0x83b1U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x83, 0xb1)); +} + +TEST_F(Append, D16BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D16(l); + l = 0x5b55U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x5b, 0x55)); +} + +TEST_F(Append, D32Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D32(0xd0b0e431U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xd0, 0xb0, 0xe4, 0x31)); +} + +TEST_F(Append, D32BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D32(l); + l = 0x312fb340U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x31, 0x2f, 0xb3, 0x40)); +} + +TEST_F(Append, D64Big) { + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D64(0xb109843500dbcb16ULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xb1, 0x09, 0x84, 0x35, 0x00, 0xdb, 0xcb, 0x16)); +} + +TEST_F(Append, D64BigLabel) { + Label l; + section.set_endianness(kBigEndian); + section.Append(1, 0x2a); + section.D64(l); + l = 0x9a0d61b70f671fd7ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x9a, 0x0d, 0x61, 0xb7, 0x0f, 0x67, 0x1f, 0xd7)); +} + +TEST_F(Append, D8Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D8(0x42U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x42)); +} + +TEST_F(Append, D8LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D8(l); + l = 0x05U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I2(0x2a, 0x05)); +} + +TEST_F(Append, D16Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D16(0xc5c5U); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0xc5, 0xc5)); +} + +TEST_F(Append, D16LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D16(l); + l = 0xb620U; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I3(0x2a, 0x20, 0xb6)); +} + +TEST_F(Append, D32Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D32(0x1a87d0feU); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0xfe, 0xd0, 0x87, 0x1a)); +} + +TEST_F(Append, D32LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D32(l); + l = 0xb8012d6bU; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I5(0x2a, 0x6b, 0x2d, 0x01, 0xb8)); +} + +TEST_F(Append, D64Little) { + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D64(0x42de75c61375a1deULL); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0xde, 0xa1, 0x75, 0x13, 0xc6, 0x75, 0xde, 0x42)); +} + +TEST_F(Append, D64LittleLabel) { + Label l; + section.set_endianness(kLittleEndian); + section.Append(1, 0x2a); + section.D64(l); + l = 0x8b3bececf3fb5312ULL; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, + I9(0x2a, 0x12, 0x53, 0xfb, 0xf3, 0xec, 0xec, 0x3b, 0x8b)); +} + +TEST_F(Append, Variety) { + Label a, b, c, d, e, f, g, h; + section.Append(kBigEndian, 1, a) + .Append(kLittleEndian, 8, h) + .Append(kBigEndian, 1, 0x8bULL) + .Append(kLittleEndian, 8, 0x0ea56540448f4439ULL) + .Append(kBigEndian, 2, b) + .Append(kLittleEndian, 7, g) + .Append(kBigEndian, 2, 0xcf15ULL) + .Append(kLittleEndian, 7, 0x29694f04c5724aULL) + .Append(kBigEndian, 3, c) + .Append(kLittleEndian, 6, f) + .Append(kBigEndian, 3, 0x8c3ffdULL) + .Append(kLittleEndian, 6, 0x6f11ba80187aULL) + .Append(kBigEndian, 4, d) + .Append(kLittleEndian, 5, e) + .Append(kBigEndian, 4, 0x2fda2472ULL) + .Append(kLittleEndian, 5, 0x0aa02d423fULL) + .Append(kBigEndian, 5, e) + .Append(kLittleEndian, 4, d) + .Append(kBigEndian, 5, 0x53ba432138ULL) + .Append(kLittleEndian, 4, 0xf139ae60ULL) + .Append(kBigEndian, 6, f) + .Append(kLittleEndian, 3, c) + .Append(kBigEndian, 6, 0x168e436af716ULL) + .Append(kLittleEndian, 3, 0x3ef189ULL) + .Append(kBigEndian, 7, g) + .Append(kLittleEndian, 2, b) + .Append(kBigEndian, 7, 0xacd4ef233e47d9ULL) + .Append(kLittleEndian, 2, 0x5311ULL) + .Append(kBigEndian, 8, h) + .Append(kLittleEndian, 1, a) + .Append(kBigEndian, 8, 0x4668d5f1c93637a1ULL) + .Append(kLittleEndian, 1, 0x65ULL); + a = 0x79ac9bd8aa256b35ULL; + b = 0x22d13097ef86c91cULL; + c = 0xf204968b0a05862fULL; + d = 0x163177f15a0eb4ecULL; + e = 0xbd1b0f1d977f2246ULL; + f = 0x2b0842eee83c6461ULL; + g = 0x92f4b928a4bf875eULL; + h = 0x61a199a8f7286ba6ULL; + ASSERT_EQ(8 * 18U, section.Size()); + ASSERT_TRUE(section.GetContents(&contents)); + + static const uint8_t expected[] = { + 0x35, 0xa6, 0x6b, 0x28, 0xf7, 0xa8, 0x99, 0xa1, 0x61, + 0x8b, 0x39, 0x44, 0x8f, 0x44, 0x40, 0x65, 0xa5, 0x0e, + 0xc9, 0x1c, 0x5e, 0x87, 0xbf, 0xa4, 0x28, 0xb9, 0xf4, + 0xcf, 0x15, 0x4a, 0x72, 0xc5, 0x04, 0x4f, 0x69, 0x29, + 0x05, 0x86, 0x2f, 0x61, 0x64, 0x3c, 0xe8, 0xee, 0x42, + 0x8c, 0x3f, 0xfd, 0x7a, 0x18, 0x80, 0xba, 0x11, 0x6f, + 0x5a, 0x0e, 0xb4, 0xec, 0x46, 0x22, 0x7f, 0x97, 0x1d, + 0x2f, 0xda, 0x24, 0x72, 0x3f, 0x42, 0x2d, 0xa0, 0x0a, + 0x1d, 0x97, 0x7f, 0x22, 0x46, 0xec, 0xb4, 0x0e, 0x5a, + 0x53, 0xba, 0x43, 0x21, 0x38, 0x60, 0xae, 0x39, 0xf1, + 0x42, 0xee, 0xe8, 0x3c, 0x64, 0x61, 0x2f, 0x86, 0x05, + 0x16, 0x8e, 0x43, 0x6a, 0xf7, 0x16, 0x89, 0xf1, 0x3e, + 0xf4, 0xb9, 0x28, 0xa4, 0xbf, 0x87, 0x5e, 0x1c, 0xc9, + 0xac, 0xd4, 0xef, 0x23, 0x3e, 0x47, 0xd9, 0x11, 0x53, + 0x61, 0xa1, 0x99, 0xa8, 0xf7, 0x28, 0x6b, 0xa6, 0x35, + 0x46, 0x68, 0xd5, 0xf1, 0xc9, 0x36, 0x37, 0xa1, 0x65, + }; + + ASSERT_TRUE(0 == memcmp(contents.data(), expected, sizeof(expected))); +} + +TEST_F(Append, Section) { + section.Append("murder"); + { + Section middle; + middle.Append(" she"); + section.Append(middle); + } + section.Append(" wrote"); + EXPECT_EQ(16U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_STREQ(contents.c_str(), "murder she wrote"); +} + +TEST_F(Append, SectionRefs) { + section.Append("sugar "); + Label l; + { + Section middle; + Label m; + middle.B32(m); + section.Append(middle); + m = 0x66726565; + } + section.Append(" jazz"); + EXPECT_EQ(15U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_STREQ(contents.c_str(), "sugar free jazz"); +} + +TEST_F(Append, LEB128_0) { + section.LEB128(0); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\0", 1), contents); +} + +TEST_F(Append, LEB128_0x3f) { + section.LEB128(0x3f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x3f", 1), contents); +} + +TEST_F(Append, LEB128_0x40) { + section.LEB128(0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xc0\x00", 2), contents); +} + +TEST_F(Append, LEB128_0x7f) { + section.LEB128(0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x00", 2), contents); +} + +TEST_F(Append, LEB128_0x80) { + section.LEB128(0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x01", 2), contents); +} + +TEST_F(Append, LEB128_0xff) { + section.LEB128(0xff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x01", 2), contents); +} + +TEST_F(Append, LEB128_0x1fff) { + section.LEB128(0x1fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x3f", 2), contents); +} + +TEST_F(Append, LEB128_0x2000) { + section.LEB128(0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\xc0\x00", 3), contents); +} + +TEST_F(Append, LEB128_n1) { + section.LEB128(-1); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x7f", 1), contents); +} + +TEST_F(Append, LEB128_n0x40) { + section.LEB128(-0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x40", 1), contents); +} + +TEST_F(Append, LEB128_n0x41) { + section.LEB128(-0x41); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xbf\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x7f) { + section.LEB128(-0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x81\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x80) { + section.LEB128(-0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x7f", 2), contents); +} + +TEST_F(Append, LEB128_n0x2000) { + section.LEB128(-0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x40", 2), contents); +} + +TEST_F(Append, LEB128_n0x2001) { + section.LEB128(-0x2001); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\xbf\x7f", 3), contents); +} + +TEST_F(Append,ULEB128_0) { + section.ULEB128(0); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\0", 1), contents); +} + +TEST_F(Append,ULEB128_1) { + section.ULEB128(1); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x01", 1), contents); +} + +TEST_F(Append,ULEB128_0x3f) { + section.ULEB128(0x3f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x3f", 1), contents); +} + +TEST_F(Append,ULEB128_0x40) { + section.ULEB128(0x40); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x40", 1), contents); +} + +TEST_F(Append,ULEB128_0x7f) { + section.ULEB128(0x7f); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x7f", 1), contents); +} + +TEST_F(Append,ULEB128_0x80) { + section.ULEB128(0x80); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x01", 2), contents); +} + +TEST_F(Append,ULEB128_0xff) { + section.ULEB128(0xff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x01", 2), contents); +} + +TEST_F(Append,ULEB128_0x100) { + section.ULEB128(0x100); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x02", 2), contents); +} + +TEST_F(Append,ULEB128_0x1fff) { + section.ULEB128(0x1fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x3f", 2), contents); +} + +TEST_F(Append,ULEB128_0x2000) { + section.ULEB128(0x2000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x40", 2), contents); +} + +TEST_F(Append,ULEB128_0x3fff) { + section.ULEB128(0x3fff); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xff\x7f", 2), contents); +} + +TEST_F(Append,ULEB128_0x4000) { + section.ULEB128(0x4000); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x80\x01", 3), contents); +} + +TEST_F(Append,ULEB128_12857) { + section.ULEB128(12857); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\xb9\x64", 2), contents); +} + +TEST_F(Append, LEBChain) { + section.LEB128(-0x80).ULEB128(12857).Append("*"); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(string("\x80\x7f\xb9\x64*", 5), contents); +} + + +class GetContents: public SectionFixture, public Test { }; + +TEST_F(GetContents, Undefined) { + Label l; + section.Append(kLittleEndian, 8, l); + ASSERT_FALSE(section.GetContents(&contents)); +} + +TEST_F(GetContents, ClearsContents) { + section.Append((size_t) 10, '*'); + EXPECT_EQ(10U, section.Size()); + EXPECT_TRUE(section.GetContents(&contents)); + EXPECT_EQ(0U, section.Size()); +} + +TEST_F(GetContents, ClearsReferences) { + Label l; + section.Append(kBigEndian, 1, l); + l = 42; + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_BYTES(contents, I1(42)); + ASSERT_TRUE(section.GetContents(&contents)); // should not die +} + +class Miscellanea: public SectionFixture, public Test { }; + +TEST_F(Miscellanea, Clear) { + section.Append("howdy"); + Label l; + section.L32(l); + EXPECT_EQ(9U, section.Size()); + section.Clear(); + EXPECT_EQ(0U, section.Size()); + l = 0x8d231bf0U; + ASSERT_TRUE(section.GetContents(&contents)); // should not die +} + +TEST_F(Miscellanea, Align) { + section.Append("*"); + EXPECT_EQ(1U, section.Size()); + section.Align(4).Append("*"); + EXPECT_EQ(5U, section.Size()); + section.Append("*").Align(2); + EXPECT_EQ(6U, section.Size()); +} + +TEST_F(Miscellanea, AlignPad) { + section.Append("*"); + EXPECT_EQ(1U, section.Size()); + section.Align(4, ' ').Append("*"); + EXPECT_EQ(5U, section.Size()); + section.Append("*").Align(2, ' '); + EXPECT_EQ(6U, section.Size()); + ASSERT_TRUE(section.GetContents(&contents)); + ASSERT_EQ(string("* **"), contents); +} + +TEST_F(Miscellanea, StartHereMark) { + Label m; + section.Append(42, ' ').Mark(&m).Append(13, '+'); + EXPECT_EQ(42U, m - section.start()); + EXPECT_EQ(42U + 13U, section.Here() - section.start()); + EXPECT_FALSE(section.start().IsKnownConstant()); + EXPECT_FALSE(m.IsKnownConstant()); + EXPECT_FALSE(section.Here().IsKnownConstant()); +} + +TEST_F(Miscellanea, Endianness) { + section.set_endianness(kBigEndian); + EXPECT_EQ(kBigEndian, section.endianness()); + section.set_endianness(kLittleEndian); + EXPECT_EQ(kLittleEndian, section.endianness()); +} |