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+# Copyright 2021 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.
+"""Unit test for Google Test's global test environment behavior.
+
+A user can specify a global test environment via
+testing::AddGlobalTestEnvironment. Failures in the global environment should
+result in all unit tests being skipped.
+
+This script tests such functionality by invoking
+googletest-global-environment-unittest_ (a program written with Google Test).
+"""
+
+import gtest_test_utils
+
+
+def RunAndReturnOutput():
+ """Runs the test program and returns its output."""
+
+ return gtest_test_utils.Subprocess([
+ gtest_test_utils.GetTestExecutablePath(
+ 'googletest-global-environment-unittest_')
+ ]).output
+
+
+class GTestGlobalEnvironmentUnitTest(gtest_test_utils.TestCase):
+ """Tests global test environment failures."""
+
+ def testEnvironmentSetUpFails(self):
+ """Tests the behavior of not specifying the fail_fast."""
+
+ # Run the test.
+ txt = RunAndReturnOutput()
+
+ # We should see the text of the global environment setup error.
+ self.assertIn('Canned environment setup error', txt)
+
+ # Our test should have been skipped due to the error, and not treated as a
+ # pass.
+ self.assertIn('[ SKIPPED ] 1 test', txt)
+ self.assertIn('[ PASSED ] 0 tests', txt)
+
+ # The test case shouldn't have been run.
+ self.assertNotIn('Unexpected call', txt)
+
+
+if __name__ == '__main__':
+ gtest_test_utils.Main()