- 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3 Fix the description of Span::subspan(). by Abseil Team <absl-team@google.com>

  - bae1a1c21924bd31fa7315eff05ea6158d9e7947 Port the symbolizer to Windows. by Derek Mauro <dmauro@google.com>
  - 2253c04c1a4f39d9581772f1dc4491878aa3831f Support absl::Hex() and absl::Dec() as arguments to absl:... by Jorg Brown <jorg@google.com>
  - 552c3ac259e9c254fda9244755487f3423d2fe4b Internal change by Jorg Brown <jorg@google.com>

GitOrigin-RevId: 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3
Change-Id: I448133c9bb6d837037c12b45a9a16a7945049453

1 files changed, 41 insertions, 2 deletions

diff --git a/absl/debugging/symbolize_test.cc b/absl/debugging/symbolize_test.cc
index b23a801..c1090b8 100644
--- a/absl/debugging/symbolize_test.cc
+++ b/absl/debugging/symbolize_test.cc
@@ -90,8 +90,6 @@ static constexpr size_t kHpageSize = 1 << 21;
 const char kHpageTextPadding[kHpageSize * 4] ABSL_ATTRIBUTE_SECTION_VARIABLE(
     ".text") = "";
 
-#ifdef ABSL_INTERNAL_HAVE_ELF_SYMBOLIZE
-
 static char try_symbolize_buffer[4096];
 
 // A wrapper function for absl::Symbolize() to make the unit test simple.  The
@@ -120,6 +118,8 @@ static const char *TrySymbolize(void *pc) {
   return TrySymbolizeWithLimit(pc, sizeof(try_symbolize_buffer));
 }
 
+#ifdef ABSL_INTERNAL_HAVE_ELF_SYMBOLIZE
+
 TEST(Symbolize, Cached) {
   // Compilers should give us pointers to them.
   EXPECT_STREQ("nonstatic_func", TrySymbolize((void *)(&nonstatic_func)));
@@ -442,6 +442,45 @@ void ABSL_ATTRIBUTE_NOINLINE TestWithReturnAddress() {
 #endif
 }
 
+#elif defined(_WIN32) && defined(_DEBUG)
+
+TEST(Symbolize, Basics) {
+  EXPECT_STREQ("nonstatic_func", TrySymbolize((void *)(&nonstatic_func)));
+
+  // The name of an internal linkage symbol is not specified; allow either a
+  // mangled or an unmangled name here.
+  const char* static_func_symbol = TrySymbolize((void *)(&static_func));
+  ASSERT_TRUE(static_func_symbol != nullptr);
+  EXPECT_TRUE(strstr(static_func_symbol, "static_func") != nullptr);
+
+  EXPECT_TRUE(nullptr == TrySymbolize(nullptr));
+}
+
+TEST(Symbolize, Truncation) {
+  constexpr char kNonStaticFunc[] = "nonstatic_func";
+  EXPECT_STREQ("nonstatic_func",
+               TrySymbolizeWithLimit((void *)(&nonstatic_func),
+                                     strlen(kNonStaticFunc) + 1));
+  EXPECT_STREQ("nonstatic_...",
+               TrySymbolizeWithLimit((void *)(&nonstatic_func),
+                                     strlen(kNonStaticFunc) + 0));
+  EXPECT_STREQ("nonstatic...",
+               TrySymbolizeWithLimit((void *)(&nonstatic_func),
+                                     strlen(kNonStaticFunc) - 1));
+  EXPECT_STREQ("n...", TrySymbolizeWithLimit((void *)(&nonstatic_func), 5));
+  EXPECT_STREQ("...", TrySymbolizeWithLimit((void *)(&nonstatic_func), 4));
+  EXPECT_STREQ("..", TrySymbolizeWithLimit((void *)(&nonstatic_func), 3));
+  EXPECT_STREQ(".", TrySymbolizeWithLimit((void *)(&nonstatic_func), 2));
+  EXPECT_STREQ("", TrySymbolizeWithLimit((void *)(&nonstatic_func), 1));
+  EXPECT_EQ(nullptr, TrySymbolizeWithLimit((void *)(&nonstatic_func), 0));
+}
+
+TEST(Symbolize, SymbolizeWithDemangling) {
+  const char* result = TrySymbolize((void *)(&Foo::func));
+  ASSERT_TRUE(result != nullptr);
+  EXPECT_TRUE(strstr(result, "Foo::func") != nullptr) << result;
+}
+
 #else  // Symbolizer unimplemented
 
 TEST(Symbolize, Unimplemented) {