diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc b/toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc new file mode 100644 index 000000000..466f23455 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc @@ -0,0 +1,251 @@ +// Copyright (c) 2013 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "breakpad_googletest_includes.h" +#include "common/using_std_string.h" +#include "google_breakpad/processor/proc_maps_linux.h" + +namespace { + +TEST(ProcMapsTest, Empty) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + EXPECT_TRUE(ParseProcMaps("", ®ions)); + EXPECT_EQ(0u, regions.size()); +} + +TEST(ProcMapsTest, NoSpaces) { + static const char kNoSpaces[] = + "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/cat\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kNoSpaces, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0x00400000u, regions[0].start); + EXPECT_EQ(0x0040b000u, regions[0].end); + EXPECT_EQ(0x00002200u, regions[0].offset); + EXPECT_EQ("/bin/cat", regions[0].path); +} + +TEST(ProcMapsTest, Spaces) { + static const char kSpaces[] = + "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/space cat\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kSpaces, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0x00400000u, regions[0].start); + EXPECT_EQ(0x0040b000u, regions[0].end); + EXPECT_EQ(0x00002200u, regions[0].offset); + EXPECT_EQ("/bin/space cat", regions[0].path); +} + +TEST(ProcMapsTest, NoNewline) { + static const char kNoSpaces[] = + "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/cat"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_FALSE(ParseProcMaps(kNoSpaces, ®ions)); +} + +TEST(ProcMapsTest, NoPath) { + static const char kNoPath[] = + "00400000-0040b000 rw-p 00000000 00:00 0 \n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kNoPath, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0x00400000u, regions[0].start); + EXPECT_EQ(0x0040b000u, regions[0].end); + EXPECT_EQ(0x00000000u, regions[0].offset); + EXPECT_EQ("", regions[0].path); +} + +TEST(ProcMapsTest, Heap) { + static const char kHeap[] = + "022ac000-022cd000 rw-p 00000000 00:00 0 [heap]\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kHeap, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0x022ac000u, regions[0].start); + EXPECT_EQ(0x022cd000u, regions[0].end); + EXPECT_EQ(0x00000000u, regions[0].offset); + EXPECT_EQ("[heap]", regions[0].path); +} + +#if defined(ARCH_CPU_32_BITS) +TEST(ProcMapsTest, Stack32) { + static const char kStack[] = + "beb04000-beb25000 rw-p 00000000 00:00 0 [stack]\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kStack, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0xbeb04000u, regions[0].start); + EXPECT_EQ(0xbeb25000u, regions[0].end); + EXPECT_EQ(0x00000000u, regions[0].offset); + EXPECT_EQ("[stack]", regions[0].path); +} +#elif defined(ARCH_CPU_64_BITS) +TEST(ProcMapsTest, Stack64) { + static const char kStack[] = + "7fff69c5b000-7fff69c7d000 rw-p 00000000 00:00 0 [stack]\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kStack, ®ions)); + ASSERT_EQ(1u, regions.size()); + + EXPECT_EQ(0x7fff69c5b000u, regions[0].start); + EXPECT_EQ(0x7fff69c7d000u, regions[0].end); + EXPECT_EQ(0x00000000u, regions[0].offset); + EXPECT_EQ("[stack]", regions[0].path); +} +#endif + +TEST(ProcMapsTest, Multiple) { + static const char kMultiple[] = + "00400000-0040b000 r-xp 00000000 fc:00 794418 /bin/cat\n" + "0060a000-0060b000 r--p 0000a000 fc:00 794418 /bin/cat\n" + "0060b000-0060c000 rw-p 0000b000 fc:00 794418 /bin/cat\n"; + + std::vector<google_breakpad::MappedMemoryRegion> regions; + ASSERT_TRUE(ParseProcMaps(kMultiple, ®ions)); + ASSERT_EQ(3u, regions.size()); + + EXPECT_EQ(0x00400000u, regions[0].start); + EXPECT_EQ(0x0040b000u, regions[0].end); + EXPECT_EQ(0x00000000u, regions[0].offset); + EXPECT_EQ("/bin/cat", regions[0].path); + + EXPECT_EQ(0x0060a000u, regions[1].start); + EXPECT_EQ(0x0060b000u, regions[1].end); + EXPECT_EQ(0x0000a000u, regions[1].offset); + EXPECT_EQ("/bin/cat", regions[1].path); + + EXPECT_EQ(0x0060b000u, regions[2].start); + EXPECT_EQ(0x0060c000u, regions[2].end); + EXPECT_EQ(0x0000b000u, regions[2].offset); + EXPECT_EQ("/bin/cat", regions[2].path); +} + +TEST(ProcMapsTest, Permissions) { + static struct { + const char* input; + uint8_t permissions; + } kTestCases[] = { + {"00400000-0040b000 ---s 00000000 fc:00 794418 /bin/cat\n", 0}, + {"00400000-0040b000 ---S 00000000 fc:00 794418 /bin/cat\n", 0}, + {"00400000-0040b000 r--s 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::READ}, + {"00400000-0040b000 -w-s 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::WRITE}, + {"00400000-0040b000 --xs 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::EXECUTE}, + {"00400000-0040b000 rwxs 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::READ + | google_breakpad::MappedMemoryRegion::WRITE + | google_breakpad::MappedMemoryRegion::EXECUTE}, + {"00400000-0040b000 ---p 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::PRIVATE}, + {"00400000-0040b000 r--p 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::READ + | google_breakpad::MappedMemoryRegion::PRIVATE}, + {"00400000-0040b000 -w-p 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::WRITE + | google_breakpad::MappedMemoryRegion::PRIVATE}, + {"00400000-0040b000 --xp 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::EXECUTE + | google_breakpad::MappedMemoryRegion::PRIVATE}, + {"00400000-0040b000 rwxp 00000000 fc:00 794418 /bin/cat\n", + google_breakpad::MappedMemoryRegion::READ + | google_breakpad::MappedMemoryRegion::WRITE + | google_breakpad::MappedMemoryRegion::EXECUTE + | google_breakpad::MappedMemoryRegion::PRIVATE}, + }; + + for (size_t i = 0; i < sizeof(kTestCases) / sizeof(kTestCases[0]); ++i) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + EXPECT_TRUE(ParseProcMaps(kTestCases[i].input, ®ions)); + EXPECT_EQ(1u, regions.size()); + if (regions.empty()) + continue; + EXPECT_EQ(kTestCases[i].permissions, regions[0].permissions); + } +} + +TEST(ProcMapsTest, MissingFields) { + static const char* kTestCases[] = { + "00400000\n", // Missing end + beyond. + "00400000-0040b000\n", // Missing perms + beyond. + "00400000-0040b000 r-xp\n", // Missing offset + beyond. + "00400000-0040b000 r-xp 00000000\n", // Missing device + beyond. + "00400000-0040b000 r-xp 00000000 fc:00\n", // Missing inode + beyond. + "00400000-0040b000 00000000 fc:00 794418 /bin/cat\n", // Missing perms. + "00400000-0040b000 r-xp fc:00 794418 /bin/cat\n", // Missing offset. + "00400000-0040b000 r-xp 00000000 fc:00 /bin/cat\n", // Missing inode. + "00400000 r-xp 00000000 fc:00 794418 /bin/cat\n", // Missing end. + "-0040b000 r-xp 00000000 fc:00 794418 /bin/cat\n", // Missing start. + "00400000-0040b000 r-xp 00000000 794418 /bin/cat\n", // Missing device. + }; + + for (size_t i = 0; i < sizeof(kTestCases) / sizeof(kTestCases[0]); ++i) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + EXPECT_FALSE(ParseProcMaps(kTestCases[i], ®ions)); + } +} + +TEST(ProcMapsTest, InvalidInput) { + static const char* kTestCases[] = { + "thisisal-0040b000 rwxp 00000000 fc:00 794418 /bin/cat\n", + "0040000d-linvalid rwxp 00000000 fc:00 794418 /bin/cat\n", + "00400000-0040b000 inpu 00000000 fc:00 794418 /bin/cat\n", + "00400000-0040b000 rwxp tforproc fc:00 794418 /bin/cat\n", + "00400000-0040b000 rwxp 00000000 ma:ps 794418 /bin/cat\n", + "00400000-0040b000 rwxp 00000000 fc:00 parse! /bin/cat\n", + }; + + for (size_t i = 0; i < sizeof(kTestCases) / sizeof(kTestCases[0]); ++i) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + EXPECT_FALSE(ParseProcMaps(kTestCases[i], ®ions)); + } +} + +TEST(ProcMapsTest, ParseProcMapsEmptyString) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + EXPECT_TRUE(ParseProcMaps("", ®ions)); + EXPECT_EQ(0ULL, regions.size()); +} + +// Testing a couple of remotely possible weird things in the input: +// - Line ending with \r\n or \n\r. +// - File name contains quotes. +// - File name has whitespaces. +TEST(ProcMapsTest, ParseProcMapsWeirdCorrectInput) { + std::vector<google_breakpad::MappedMemoryRegion> regions; + const string kContents = + "00400000-0040b000 r-xp 00000000 fc:00 2106562 " + " /bin/cat\r\n" + "7f53b7dad000-7f53b7f62000 r-xp 00000000 fc:00 263011 " + " /lib/x86_64-linux-gnu/libc-2.15.so\n\r" + "7f53b816d000-7f53b818f000 r-xp 00000000 fc:00 264284 " + " /lib/x86_64-linux-gnu/ld-2.15.so\n" + "7fff9c7ff000-7fff9c800000 r-xp 00000000 00:00 0 " + " \"vd so\"\n" + "ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 " + " [vsys call]\n"; + EXPECT_TRUE(ParseProcMaps(kContents, ®ions)); + EXPECT_EQ(5ULL, regions.size()); + EXPECT_EQ("/bin/cat", regions[0].path); + EXPECT_EQ("/lib/x86_64-linux-gnu/libc-2.15.so", regions[1].path); + EXPECT_EQ("/lib/x86_64-linux-gnu/ld-2.15.so", regions[2].path); + EXPECT_EQ("\"vd so\"", regions[3].path); + EXPECT_EQ("[vsys call]", regions[4].path); +} + +} // namespace |