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-rw-r--r--security/nss/gtests/util_gtest/util_aligned_malloc_unittest.cc82
1 files changed, 82 insertions, 0 deletions
diff --git a/security/nss/gtests/util_gtest/util_aligned_malloc_unittest.cc b/security/nss/gtests/util_gtest/util_aligned_malloc_unittest.cc
new file mode 100644
index 000000000..9745ca7d3
--- /dev/null
+++ b/security/nss/gtests/util_gtest/util_aligned_malloc_unittest.cc
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+#include "scoped_ptrs_util.h"
+
+namespace nss_test {
+
+struct SomeContext {
+ uint8_t some_buf[13];
+ void *mem;
+};
+
+template <class T>
+struct ScopedDelete {
+ void operator()(T *ptr) {
+ if (ptr) {
+ PORT_Free(ptr->mem);
+ }
+ }
+};
+typedef std::unique_ptr<SomeContext, ScopedDelete<SomeContext> >
+ ScopedSomeContext;
+
+class AlignedMallocTest : public ::testing::Test,
+ public ::testing::WithParamInterface<size_t> {
+ protected:
+ ScopedSomeContext test_align_new(size_t alignment) {
+ ScopedSomeContext ctx(PORT_ZNewAligned(SomeContext, alignment, mem));
+ return ctx;
+ };
+ ScopedSomeContext test_align_alloc(size_t alignment) {
+ void *mem = nullptr;
+ ScopedSomeContext ctx((SomeContext *)PORT_ZAllocAligned(sizeof(SomeContext),
+ alignment, &mem));
+ if (ctx) {
+ ctx->mem = mem;
+ }
+ return ctx;
+ }
+};
+
+TEST_P(AlignedMallocTest, TestNew) {
+ size_t alignment = GetParam();
+ ScopedSomeContext ctx = test_align_new(alignment);
+ EXPECT_TRUE(ctx.get());
+ EXPECT_EQ(0U, (uintptr_t)ctx.get() % alignment);
+}
+
+TEST_P(AlignedMallocTest, TestAlloc) {
+ size_t alignment = GetParam();
+ ScopedSomeContext ctx = test_align_alloc(alignment);
+ EXPECT_TRUE(ctx.get());
+ EXPECT_EQ(0U, (uintptr_t)ctx.get() % alignment);
+}
+
+class AlignedMallocTestBadSize : public AlignedMallocTest {};
+
+TEST_P(AlignedMallocTestBadSize, TestNew) {
+ size_t alignment = GetParam();
+ ScopedSomeContext ctx = test_align_new(alignment);
+ EXPECT_FALSE(ctx.get());
+}
+
+TEST_P(AlignedMallocTestBadSize, TestAlloc) {
+ size_t alignment = GetParam();
+ ScopedSomeContext ctx = test_align_alloc(alignment);
+ EXPECT_FALSE(ctx.get());
+}
+
+static const size_t kSizes[] = {1, 2, 4, 8, 16, 32, 64};
+static const size_t kBadSizes[] = {0, 7, 17, 24, 56};
+
+INSTANTIATE_TEST_CASE_P(AllAligned, AlignedMallocTest,
+ ::testing::ValuesIn(kSizes));
+INSTANTIATE_TEST_CASE_P(AllAlignedBadSize, AlignedMallocTestBadSize,
+ ::testing::ValuesIn(kBadSizes));
+
+} // namespace nss_test