1 files changed, 143 insertions, 0 deletions
diff --git a/toolkit/crashreporter/test/gtest/TestElfSoVersion.cpp b/toolkit/crashreporter/test/gtest/TestElfSoVersion.cpp
new file mode 100644
index 0000000000..a6c91a8dff
--- /dev/null
+++ b/toolkit/crashreporter/test/gtest/TestElfSoVersion.cpp
@@ -0,0 +1,143 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "mozilla/SpinEventLoopUntil.h"
+
+#include "linux_utils.h"
+
+#define ASSERT_EQ_UNSIGNED(v, e) ASSERT_EQ((v), (uint32_t)(e))
+
+using namespace mozilla;
+
+class CrashReporter : public ::testing::Test {};
+
+TEST_F(CrashReporter, ElfSoNoVersion) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libdbus1.so", version);
+  ASSERT_TRUE(rv);
+}
+
+TEST_F(CrashReporter, ElfSo6) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libm.so.6", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 6);
+}
+
+TEST_F(CrashReporter, ElfSoNormalShort) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libdbus1.so.1.2", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+}
+
+TEST_F(CrashReporter, ElfSoNormalComplete) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libdbus1.so.1.2.3", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+  ASSERT_EQ_UNSIGNED(version[2], 3);
+}
+
+TEST_F(CrashReporter, ElfSoNormalPrerelease) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libdbus1.so.1.2.3.98", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+  ASSERT_EQ_UNSIGNED(version[2], 3);
+  ASSERT_EQ_UNSIGNED(version[3], 98);
+}
+
+TEST_F(CrashReporter, ElfSoNormalPrereleaseToomuch) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libdbus1.so.1.2.3.98.9.2.3", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+  ASSERT_EQ_UNSIGNED(version[2], 3);
+  ASSERT_EQ_UNSIGNED(version[3], 98);
+}
+
+TEST_F(CrashReporter, ElfSoBig) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libatk-1.0.so.0.25009.1", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 0);
+  ASSERT_EQ_UNSIGNED(version[1], 25009);
+  ASSERT_EQ_UNSIGNED(version[2], 1);
+}
+
+TEST_F(CrashReporter, ElfSoCairo) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libcairo.so.2.11800.3", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 2);
+  ASSERT_EQ_UNSIGNED(version[1], 11800);
+  ASSERT_EQ_UNSIGNED(version[2], 3);
+}
+
+TEST_F(CrashReporter, ElfSoMax) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion(
+      "libcairo.so.2147483647.2147483647.2147483647.2147483647", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], INT32_MAX);
+  ASSERT_EQ_UNSIGNED(version[1], INT32_MAX);
+  ASSERT_EQ_UNSIGNED(version[2], INT32_MAX);
+  ASSERT_EQ_UNSIGNED(version[3], INT32_MAX);
+}
+
+TEST_F(CrashReporter, ElfSoTimestamp) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libabsl_time_zone.so.20220623.0.0", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 20220623);
+  ASSERT_EQ_UNSIGNED(version[1], 0);
+  ASSERT_EQ_UNSIGNED(version[2], 0);
+}
+
+TEST_F(CrashReporter, ElfSoChars) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libabsl_time_zone.so.1.2.3rc4", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+  ASSERT_EQ_UNSIGNED(version[2], 34);
+}
+
+TEST_F(CrashReporter, ElfSoCharsMore) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libabsl_time_zone.so.1.2.3rc4.9", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 1);
+  ASSERT_EQ_UNSIGNED(version[1], 2);
+  ASSERT_EQ_UNSIGNED(version[2], 34);
+  ASSERT_EQ_UNSIGNED(version[3], 9);
+}
+
+TEST_F(CrashReporter, ElfSoCharsOnly) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion("libabsl_time_zone.so.final", version);
+  ASSERT_TRUE(rv);
+}
+
+TEST_F(CrashReporter, ElfSoNullVersion) {
+  bool rv = ElfFileSoVersion("libabsl_time_zone.so.1", nullptr);
+  ASSERT_FALSE(rv);
+}
+
+TEST_F(CrashReporter, ElfSoFullPath) {
+  uint32_t version[4] = {0, 0, 0, 0};
+  bool rv = ElfFileSoVersion(
+      "/usr/lib/x86_64-linux-gnu/libabsl_time_zone.so.20220623.0.0", version);
+  ASSERT_TRUE(rv);
+  ASSERT_EQ_UNSIGNED(version[0], 20220623);
+  ASSERT_EQ_UNSIGNED(version[1], 0);
+  ASSERT_EQ_UNSIGNED(version[2], 0);
+}