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-rw-r--r--toolkit/crashreporter/google-breakpad/src/processor/proc_maps_linux_unittest.cc251
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 0000000000..466f23455e
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+++ 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("", &regions));
+ 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, &regions));
+ 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, &regions));
+ 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, &regions));
+}
+
+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, &regions));
+ 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, &regions));
+ 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, &regions));
+ 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, &regions));
+ 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, &regions));
+ 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, &regions));
+ 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], &regions));
+ }
+}
+
+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], &regions));
+ }
+}
+
+TEST(ProcMapsTest, ParseProcMapsEmptyString) {
+ std::vector<google_breakpad::MappedMemoryRegion> regions;
+ EXPECT_TRUE(ParseProcMaps("", &regions));
+ 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, &regions));
+ 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
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