1 files changed, 142 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_flags_test.cc b/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_flags_test.cc
new file mode 100644
index 000000000000..3e5d8381ed3a
--- /dev/null
+++ b/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_flags_test.cc
@@ -0,0 +1,142 @@
+//===-- sanitizer_flags_test.cc -------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
+//
+//===----------------------------------------------------------------------===//
+#include "sanitizer_common/sanitizer_common.h"
+#include "sanitizer_common/sanitizer_flags.h"
+#include "sanitizer_common/sanitizer_flag_parser.h"
+#include "sanitizer_common/sanitizer_libc.h"
+#include "sanitizer_common/sanitizer_allocator_internal.h"
+#include "gtest/gtest.h"
+
+#include <string.h>
+
+namespace __sanitizer {
+
+static const char kFlagName[] = "flag_name";
+static const char kFlagDesc[] = "flag description";
+
+template <typename T>
+static void TestFlag(T start_value, const char *env, T final_value) {
+  T flag = start_value;
+
+  FlagParser parser;
+  RegisterFlag(&parser, kFlagName, kFlagDesc, &flag);
+
+  parser.ParseString(env);
+
+  EXPECT_EQ(final_value, flag);
+}
+
+template <>
+void TestFlag(const char *start_value, const char *env,
+                     const char *final_value) {
+  const char *flag = start_value;
+
+  FlagParser parser;
+  RegisterFlag(&parser, kFlagName, kFlagDesc, &flag);
+
+  parser.ParseString(env);
+
+  EXPECT_EQ(0, internal_strcmp(final_value, flag));
+}
+
+TEST(SanitizerCommon, BooleanFlags) {
+  TestFlag(false, "flag_name=1", true);
+  TestFlag(false, "flag_name=yes", true);
+  TestFlag(false, "flag_name=true", true);
+  TestFlag(true, "flag_name=0", false);
+  TestFlag(true, "flag_name=no", false);
+  TestFlag(true, "flag_name=false", false);
+}
+
+TEST(SanitizerCommon, IntFlags) {
+  TestFlag(-11, 0, -11);
+  TestFlag(-11, "flag_name=0", 0);
+  TestFlag(-11, "flag_name=42", 42);
+  TestFlag(-11, "flag_name=-42", -42);
+
+  // Unrecognized flags are ignored.
+  TestFlag(-11, "--flag_name=42", -11);
+  TestFlag(-11, "zzzzzzz=42", -11);
+
+  EXPECT_DEATH(TestFlag(-11, "flag_name", 0), "expected '='");
+  EXPECT_DEATH(TestFlag(-11, "flag_name=42U", 0),
+               "Invalid value for int option");
+}
+
+TEST(SanitizerCommon, StrFlags) {
+  TestFlag("zzz", 0, "zzz");
+  TestFlag("zzz", "flag_name=", "");
+  TestFlag("zzz", "flag_name=abc", "abc");
+  TestFlag("", "flag_name=abc", "abc");
+  TestFlag("", "flag_name='abc zxc'", "abc zxc");
+  // TestStrFlag("", "flag_name=\"abc qwe\" asd", "abc qwe");
+}
+
+static void TestTwoFlags(const char *env, bool expected_flag1,
+                         const char *expected_flag2,
+                         const char *name1 = "flag1",
+                         const char *name2 = "flag2") {
+  bool flag1 = !expected_flag1;
+  const char *flag2 = "";
+
+  FlagParser parser;
+  RegisterFlag(&parser, name1, kFlagDesc, &flag1);
+  RegisterFlag(&parser, name2, kFlagDesc, &flag2);
+
+  parser.ParseString(env);
+
+  EXPECT_EQ(expected_flag1, flag1);
+  EXPECT_EQ(0, internal_strcmp(flag2, expected_flag2));
+}
+
+TEST(SanitizerCommon, MultipleFlags) {
+  TestTwoFlags("flag1=1 flag2='zzz'", true, "zzz");
+  TestTwoFlags("flag2='qxx' flag1=0", false, "qxx");
+  TestTwoFlags("flag1=false:flag2='zzz'", false, "zzz");
+  TestTwoFlags("flag2=qxx:flag1=yes", true, "qxx");
+  TestTwoFlags("flag2=qxx\nflag1=yes", true, "qxx");
+  TestTwoFlags("flag2=qxx\r\nflag1=yes", true, "qxx");
+  TestTwoFlags("flag2=qxx\tflag1=yes", true, "qxx");
+}
+
+TEST(SanitizerCommon, CommonSuffixFlags) {
+  TestTwoFlags("flag=1 other_flag='zzz'", true, "zzz", "flag", "other_flag");
+  TestTwoFlags("other_flag='zzz' flag=1", true, "zzz", "flag", "other_flag");
+  TestTwoFlags("other_flag=' flag=0 ' flag=1", true, " flag=0 ", "flag",
+               "other_flag");
+  TestTwoFlags("flag=1 other_flag=' flag=0 '", true, " flag=0 ", "flag",
+               "other_flag");
+}
+
+TEST(SanitizerCommon, CommonFlags) {
+  CommonFlags cf;
+  FlagParser parser;
+  RegisterCommonFlags(&parser, &cf);
+
+  cf.SetDefaults();
+  EXPECT_TRUE(cf.symbolize);
+  EXPECT_STREQ(".", cf.coverage_dir);
+
+  cf.symbolize = false;
+  cf.coverage = true;
+  cf.coverage_direct = true;
+  cf.log_path = "path/one";
+
+  parser.ParseString("symbolize=1:coverage_direct=false log_path='path/two'");
+  EXPECT_TRUE(cf.symbolize);
+  EXPECT_TRUE(cf.coverage);
+  EXPECT_FALSE(cf.coverage_direct);
+  EXPECT_STREQ("path/two", cf.log_path);
+}
+
+}  // namespace __sanitizer