diff options
Diffstat (limited to 'abseil-cpp/absl/debugging/internal/demangle_test.cc')
| -rw-r--r-- | abseil-cpp/absl/debugging/internal/demangle_test.cc | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/abseil-cpp/absl/debugging/internal/demangle_test.cc b/abseil-cpp/absl/debugging/internal/demangle_test.cc index 0bed735..faec72b 100644 --- a/abseil-cpp/absl/debugging/internal/demangle_test.cc +++ b/abseil-cpp/absl/debugging/internal/demangle_test.cc @@ -19,8 +19,8 @@ #include "gtest/gtest.h" #include "absl/base/config.h" -#include "absl/base/internal/raw_logging.h" #include "absl/debugging/internal/stack_consumption.h" +#include "absl/log/log.h" #include "absl/memory/memory.h" namespace absl { @@ -38,7 +38,7 @@ static const char *DemangleIt(const char * const mangled) { } } -// Test corner cases of bounary conditions. +// Test corner cases of boundary conditions. TEST(Demangle, CornerCases) { char tmp[10]; EXPECT_TRUE(Demangle("_Z6foobarv", tmp, sizeof(tmp))); @@ -70,16 +70,62 @@ TEST(Demangle, Clones) { EXPECT_STREQ("Foo()", tmp); EXPECT_TRUE(Demangle("_ZL3Foov.isra.2.constprop.18", tmp, sizeof(tmp))); EXPECT_STREQ("Foo()", tmp); - // Invalid (truncated), should not demangle. - EXPECT_FALSE(Demangle("_ZL3Foov.clo", tmp, sizeof(tmp))); + // Demangle suffixes produced by -funique-internal-linkage-names. + EXPECT_TRUE(Demangle("_ZL3Foov.__uniq.12345", tmp, sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + EXPECT_TRUE(Demangle("_ZL3Foov.__uniq.12345.isra.2.constprop.18", tmp, + sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // Suffixes without the number should also demangle. + EXPECT_TRUE(Demangle("_ZL3Foov.clo", tmp, sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // Suffixes with just the number should also demangle. + EXPECT_TRUE(Demangle("_ZL3Foov.123", tmp, sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // (.clone. followed by non-number), should also demangle. + EXPECT_TRUE(Demangle("_ZL3Foov.clone.foo", tmp, sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // (.clone. followed by multiple numbers), should also demangle. + EXPECT_TRUE(Demangle("_ZL3Foov.clone.123.456", tmp, sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // (a long valid suffix), should demangle. + EXPECT_TRUE(Demangle("_ZL3Foov.part.9.165493.constprop.775.31805", tmp, + sizeof(tmp))); + EXPECT_STREQ("Foo()", tmp); + // Invalid (. without anything else), should not demangle. + EXPECT_FALSE(Demangle("_ZL3Foov.", tmp, sizeof(tmp))); + // Invalid (. with mix of alpha and digits), should not demangle. + EXPECT_FALSE(Demangle("_ZL3Foov.abc123", tmp, sizeof(tmp))); // Invalid (.clone. not followed by number), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.clone.", tmp, sizeof(tmp))); - // Invalid (.clone. followed by non-number), should not demangle. - EXPECT_FALSE(Demangle("_ZL3Foov.clone.foo", tmp, sizeof(tmp))); // Invalid (.constprop. not followed by number), should not demangle. EXPECT_FALSE(Demangle("_ZL3Foov.isra.2.constprop.", tmp, sizeof(tmp))); } +// Test the GNU abi_tag extension. +TEST(Demangle, AbiTags) { + char tmp[80]; + + // Mangled name generated via: + // struct [[gnu::abi_tag("abc")]] A{}; + // A a; + EXPECT_TRUE(Demangle("_Z1aB3abc", tmp, sizeof(tmp))); + EXPECT_STREQ("a[abi:abc]", tmp); + + // Mangled name generated via: + // struct B { + // B [[gnu::abi_tag("xyz")]] (){}; + // }; + // B b; + EXPECT_TRUE(Demangle("_ZN1BC2B3xyzEv", tmp, sizeof(tmp))); + EXPECT_STREQ("B::B[abi:xyz]()", tmp); + + // Mangled name generated via: + // [[gnu::abi_tag("foo", "bar")]] void C() {} + EXPECT_TRUE(Demangle("_Z1CB3barB3foov", tmp, sizeof(tmp))); + EXPECT_STREQ("C[abi:bar][abi:foo]()", tmp); +} + // Tests that verify that Demangle footprint is within some limit. // They are not to be run under sanitizers as the sanitizers increase // stack consumption by about 4x. @@ -105,7 +151,7 @@ static const char *DemangleStackConsumption(const char *mangled, int *stack_consumed) { g_mangled = mangled; *stack_consumed = GetSignalHandlerStackConsumption(DemangleSignalHandler); - ABSL_RAW_LOG(INFO, "Stack consumption of Demangle: %d", *stack_consumed); + LOG(INFO) << "Stack consumption of Demangle: " << *stack_consumed; return g_demangle_result; } |