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authorzhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925>2009-02-08 04:53:35 +0000
committerzhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925>2009-02-08 04:53:35 +0000
commit886cafd4a37fd5e7325da1ae5a5a948b6c2bc895 (patch)
tree60066126086cffa26e87bf47ac8e566aadeb2836 /include/gtest/internal/gtest-port.h
parent37504994338c114247519331237831f88a9a7c40 (diff)
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Fixes the definition of GTEST_HAS_EXCEPTIONS, allowing exception assertions to be used with gcc.
Diffstat (limited to 'include/gtest/internal/gtest-port.h')
-rw-r--r--include/gtest/internal/gtest-port.h35
1 files changed, 19 insertions, 16 deletions
diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index 96eb0abc..9b8f39f3 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -207,28 +207,31 @@
#endif // GTEST_OS_LINUX
-// Determines whether ::std::string and ::string are available.
-
-#ifndef GTEST_HAS_STD_STRING
-// The user didn't tell us whether ::std::string is available, so we
-// need to figure it out.
+// Defines GTEST_HAS_EXCEPTIONS to 1 if exceptions are enabled, or 0
+// otherwise.
-#ifdef GTEST_OS_WINDOWS
+#ifdef _MSC_VER // Compiled by MSVC?
// Assumes that exceptions are enabled by default.
-#ifndef _HAS_EXCEPTIONS
+#ifndef _HAS_EXCEPTIONS // MSVC uses this macro to enable exceptions.
#define _HAS_EXCEPTIONS 1
#endif // _HAS_EXCEPTIONS
-// GTEST_HAS_EXCEPTIONS is non-zero iff exceptions are enabled. It is
-// always defined, while _HAS_EXCEPTIONS is defined only on Windows.
#define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
-// On Windows, we can use ::std::string if the compiler version is VS
-// 2005 or above, or if exceptions are enabled.
-#define GTEST_HAS_STD_STRING ((_MSC_VER >= 1400) || GTEST_HAS_EXCEPTIONS)
-#else // We are on Linux or Mac OS.
-#define GTEST_HAS_EXCEPTIONS 0
-#define GTEST_HAS_STD_STRING 1
-#endif // GTEST_OS_WINDOWS
+#else // The compiler is not MSVC.
+// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. For
+// other compilers, we assume exceptions are disabled to be
+// conservative.
+#define GTEST_HAS_EXCEPTIONS (defined(__GNUC__) && __EXCEPTIONS)
+#endif // _MSC_VER
+
+// Determines whether ::std::string and ::string are available.
+#ifndef GTEST_HAS_STD_STRING
+// The user didn't tell us whether ::std::string is available, so we
+// need to figure it out. The only environment that we know
+// ::std::string is not available is MSVC 7.1 or lower with exceptions
+// disabled.
+#define GTEST_HAS_STD_STRING \
+ (!(defined(_MSC_VER) && (_MSC_VER < 1400) && !GTEST_HAS_EXCEPTIONS))
#endif // GTEST_HAS_STD_STRING
#ifndef GTEST_HAS_GLOBAL_STRING