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-rw-r--r--absl/debugging/internal/demangle_test.cc20
1 files changed, 20 insertions, 0 deletions
diff --git a/absl/debugging/internal/demangle_test.cc b/absl/debugging/internal/demangle_test.cc
index 9db79e64..0044d420 100644
--- a/absl/debugging/internal/demangle_test.cc
+++ b/absl/debugging/internal/demangle_test.cc
@@ -329,6 +329,26 @@ TEST(Demangle, SubobjectAddresses) {
EXPECT_STREQ("f<>()", tmp);
}
+TEST(Demangle, SizeofPacks) {
+ char tmp[80];
+
+ // template <std::size_t i> struct S {};
+ //
+ // template <class... T> auto f(T... p) -> S<sizeof...(T)> { return {}; }
+ // template auto f<int, long>(int, long) -> S<2>;
+ //
+ // template <class... T> auto g(T... p) -> S<sizeof...(p)> { return {}; }
+ // template auto g<int, long>(int, long) -> S<2>;
+
+ // S<sizeof...(int, long)> f<int, long>(int, long)
+ EXPECT_TRUE(Demangle("_Z1fIJilEE1SIXsZT_EEDpT_", tmp, sizeof(tmp)));
+ EXPECT_STREQ("f<>()", tmp);
+
+ // S<sizeof... (fp)> g<int, long>(int, long)
+ EXPECT_TRUE(Demangle("_Z1gIJilEE1SIXsZfp_EEDpT_", tmp, sizeof(tmp)));
+ EXPECT_STREQ("g<>()", tmp);
+}
+
// Test one Rust symbol to exercise Demangle's delegation path. Rust demangling
// itself is more thoroughly tested in demangle_rust_test.cc.
TEST(Demangle, DelegatesToDemangleRustSymbolEncoding) {