Modifies handling of C++ exceptions in death tests to treat exceptions escaping them as failures.

git-svn-id: http://googletest.googlecode.com/svn/trunk@500 861a406c-534a-0410-8894-cb66d6ee9925

2 files changed, 98 insertions, 2 deletions

diff --git a/test/gtest-death-test_ex_test.cc b/test/gtest-death-test_ex_test.cc
new file mode 100644
index 0000000..71cc7a3
--- /dev/null
+++ b/test/gtest-death-test_ex_test.cc
@@ -0,0 +1,93 @@
+// Copyright 2010, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: vladl@google.com (Vlad Losev)
+//
+// Tests that verify interaction of exceptions and death tests.
+
+#include "gtest/gtest-death-test.h"
+#include "gtest/gtest.h"
+
+#if GTEST_HAS_DEATH_TEST
+
+#if GTEST_HAS_SEH
+#include <windows.h>          // For RaiseException().
+#endif
+
+#include "gtest/gtest-spi.h"
+
+#if GTEST_HAS_EXCEPTIONS
+
+#include <exception>  // For std::exception.
+
+// Tests that death tests report thrown exceptions as failures and that the
+// exceptions do not escape death test macros.
+TEST(CxxExceptionDeathTest, ExceptionIsFailure) {
+  try {
+    EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(throw 1, ""), "threw an exception");
+  } catch (...) {  // NOLINT
+    FAIL() << "An exception escaped a death test macro invocation "
+           << "with catch_exceptions "
+           << (testing::GTEST_FLAG(catch_exceptions) ? "enabled" : "disabled");
+  }
+}
+
+class TestException : public std::exception {
+ public:
+  virtual const char* what() const throw() { return "exceptional message"; }
+};
+
+TEST(CxxExceptionDeathTest, PrintsMessageForStdExceptions) {
+  // Verifies that the exception message is quoted in the failure text.
+  EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(throw TestException(), ""),
+                          "exceptional message");
+  // Verifies that the location is mentioned in the failure text.
+  EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(throw TestException(), ""),
+                          "gtest-death-test_ex_test.cc");
+}
+#endif  // GTEST_HAS_EXCEPTIONS
+
+#if GTEST_HAS_SEH
+// Tests that enabling interception of SEH exceptions with the
+// catch_exceptions flag does not interfere with SEH exceptions being
+// treated as death by death tests.
+TEST(SehExceptionDeasTest, CatchExceptionsDoesNotInterfere) {
+  EXPECT_DEATH(RaiseException(42, 0x0, 0, NULL), "")
+      << "with catch_exceptions "
+      << (testing::GTEST_FLAG(catch_exceptions) ? "enabled" : "disabled");
+}
+#endif
+
+#endif  // GTEST_HAS_DEATH_TEST
+
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  testing::GTEST_FLAG(catch_exceptions) = GTEST_ENABLE_CATCH_EXCEPTIONS_ != 0;
+  return RUN_ALL_TESTS();
+}
diff --git a/test/gtest-death-test_test.cc b/test/gtest-death-test_test.cc
index 2f1d385..b83b0db 100644
--- a/test/gtest-death-test_test.cc
+++ b/test/gtest-death-test_test.cc
@@ -538,15 +538,18 @@ TEST_F(TestForDeathTest, SingleEvaluation) {
 }
 
 // Tests that run-away death tests are reported as failures.
-TEST_F(TestForDeathTest, Runaway) {
+TEST_F(TestForDeathTest, RunawayIsFailure) {
   EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"),
                           "failed to die.");
+}
 
+// Tests that death tests report executing 'return' in the statement as
+// failure.
+TEST_F(TestForDeathTest, ReturnIsFailure) {
   EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"),
                        "illegal return in test statement.");
 }
 
-
 // Tests that EXPECT_DEBUG_DEATH works as expected,
 // that is, in debug mode, it:
 // 1. Asserts on death.