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diff --git a/src/mesh/assimp-master/contrib/gtest/test/gtest_repeat_test.cc b/src/mesh/assimp-master/contrib/gtest/test/gtest_repeat_test.cc
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+// Copyright 2008, 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: wan@google.com (Zhanyong Wan)
+
+// Tests the --gtest_repeat=number flag.
+
+#include <stdlib.h>
+#include <iostream>
+#include "gtest/gtest.h"
+
+// Indicates that this translation unit is part of Google Test's
+// implementation.  It must come before gtest-internal-inl.h is
+// included, or there will be a compiler error.  This trick is to
+// prevent a user from accidentally including gtest-internal-inl.h in
+// his code.
+#define GTEST_IMPLEMENTATION_ 1
+#include "src/gtest-internal-inl.h"
+#undef GTEST_IMPLEMENTATION_
+
+namespace testing {
+
+GTEST_DECLARE_string_(death_test_style);
+GTEST_DECLARE_string_(filter);
+GTEST_DECLARE_int32_(repeat);
+
+}  // namespace testing
+
+using testing::GTEST_FLAG(death_test_style);
+using testing::GTEST_FLAG(filter);
+using testing::GTEST_FLAG(repeat);
+
+namespace {
+
+// We need this when we are testing Google Test itself and therefore
+// cannot use Google Test assertions.
+#define GTEST_CHECK_INT_EQ_(expected, actual) \
+  do {\
+    const int expected_val = (expected);\
+    const int actual_val = (actual);\
+    if (::testing::internal::IsTrue(expected_val != actual_val)) {\
+      ::std::cout << "Value of: " #actual "\n"\
+                  << "  Actual: " << actual_val << "\n"\
+                  << "Expected: " #expected "\n"\
+                  << "Which is: " << expected_val << "\n";\
+      ::testing::internal::posix::Abort();\
+    }\
+  } while (::testing::internal::AlwaysFalse())
+
+
+// Used for verifying that global environment set-up and tear-down are
+// inside the gtest_repeat loop.
+
+int g_environment_set_up_count = 0;
+int g_environment_tear_down_count = 0;
+
+class MyEnvironment : public testing::Environment {
+ public:
+  MyEnvironment() {}
+  virtual void SetUp() { g_environment_set_up_count++; }
+  virtual void TearDown() { g_environment_tear_down_count++; }
+};
+
+// A test that should fail.
+
+int g_should_fail_count = 0;
+
+TEST(FooTest, ShouldFail) {
+  g_should_fail_count++;
+  EXPECT_EQ(0, 1) << "Expected failure.";
+}
+
+// A test that should pass.
+
+int g_should_pass_count = 0;
+
+TEST(FooTest, ShouldPass) {
+  g_should_pass_count++;
+}
+
+// A test that contains a thread-safe death test and a fast death
+// test.  It should pass.
+
+int g_death_test_count = 0;
+
+TEST(BarDeathTest, ThreadSafeAndFast) {
+  g_death_test_count++;
+
+  GTEST_FLAG(death_test_style) = "threadsafe";
+  EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), "");
+
+  GTEST_FLAG(death_test_style) = "fast";
+  EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), "");
+}
+
+#if GTEST_HAS_PARAM_TEST
+int g_param_test_count = 0;
+
+const int kNumberOfParamTests = 10;
+
+class MyParamTest : public testing::TestWithParam<int> {};
+
+TEST_P(MyParamTest, ShouldPass) {
+  // TODO(vladl@google.com): Make parameter value checking robust
+  //                         WRT order of tests.
+  GTEST_CHECK_INT_EQ_(g_param_test_count % kNumberOfParamTests, GetParam());
+  g_param_test_count++;
+}
+INSTANTIATE_TEST_CASE_P(MyParamSequence,
+                        MyParamTest,
+                        testing::Range(0, kNumberOfParamTests));
+#endif  // GTEST_HAS_PARAM_TEST
+
+// Resets the count for each test.
+void ResetCounts() {
+  g_environment_set_up_count = 0;
+  g_environment_tear_down_count = 0;
+  g_should_fail_count = 0;
+  g_should_pass_count = 0;
+  g_death_test_count = 0;
+#if GTEST_HAS_PARAM_TEST
+  g_param_test_count = 0;
+#endif  // GTEST_HAS_PARAM_TEST
+}
+
+// Checks that the count for each test is expected.
+void CheckCounts(int expected) {
+  GTEST_CHECK_INT_EQ_(expected, g_environment_set_up_count);
+  GTEST_CHECK_INT_EQ_(expected, g_environment_tear_down_count);
+  GTEST_CHECK_INT_EQ_(expected, g_should_fail_count);
+  GTEST_CHECK_INT_EQ_(expected, g_should_pass_count);
+  GTEST_CHECK_INT_EQ_(expected, g_death_test_count);
+#if GTEST_HAS_PARAM_TEST
+  GTEST_CHECK_INT_EQ_(expected * kNumberOfParamTests, g_param_test_count);
+#endif  // GTEST_HAS_PARAM_TEST
+}
+
+// Tests the behavior of Google Test when --gtest_repeat is not specified.
+void TestRepeatUnspecified() {
+  ResetCounts();
+  GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS());
+  CheckCounts(1);
+}
+
+// Tests the behavior of Google Test when --gtest_repeat has the given value.
+void TestRepeat(int repeat) {
+  GTEST_FLAG(repeat) = repeat;
+
+  ResetCounts();
+  GTEST_CHECK_INT_EQ_(repeat > 0 ? 1 : 0, RUN_ALL_TESTS());
+  CheckCounts(repeat);
+}
+
+// Tests using --gtest_repeat when --gtest_filter specifies an empty
+// set of tests.
+void TestRepeatWithEmptyFilter(int repeat) {
+  GTEST_FLAG(repeat) = repeat;
+  GTEST_FLAG(filter) = "None";
+
+  ResetCounts();
+  GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS());
+  CheckCounts(0);
+}
+
+// Tests using --gtest_repeat when --gtest_filter specifies a set of
+// successful tests.
+void TestRepeatWithFilterForSuccessfulTests(int repeat) {
+  GTEST_FLAG(repeat) = repeat;
+  GTEST_FLAG(filter) = "*-*ShouldFail";
+
+  ResetCounts();
+  GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS());
+  GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count);
+  GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count);
+  GTEST_CHECK_INT_EQ_(0, g_should_fail_count);
+  GTEST_CHECK_INT_EQ_(repeat, g_should_pass_count);
+  GTEST_CHECK_INT_EQ_(repeat, g_death_test_count);
+#if GTEST_HAS_PARAM_TEST
+  GTEST_CHECK_INT_EQ_(repeat * kNumberOfParamTests, g_param_test_count);
+#endif  // GTEST_HAS_PARAM_TEST
+}
+
+// Tests using --gtest_repeat when --gtest_filter specifies a set of
+// failed tests.
+void TestRepeatWithFilterForFailedTests(int repeat) {
+  GTEST_FLAG(repeat) = repeat;
+  GTEST_FLAG(filter) = "*ShouldFail";
+
+  ResetCounts();
+  GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS());
+  GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count);
+  GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count);
+  GTEST_CHECK_INT_EQ_(repeat, g_should_fail_count);
+  GTEST_CHECK_INT_EQ_(0, g_should_pass_count);
+  GTEST_CHECK_INT_EQ_(0, g_death_test_count);
+#if GTEST_HAS_PARAM_TEST
+  GTEST_CHECK_INT_EQ_(0, g_param_test_count);
+#endif  // GTEST_HAS_PARAM_TEST
+}
+
+}  // namespace
+
+int main(int argc, char **argv) {
+  testing::InitGoogleTest(&argc, argv);
+  testing::AddGlobalTestEnvironment(new MyEnvironment);
+
+  TestRepeatUnspecified();
+  TestRepeat(0);
+  TestRepeat(1);
+  TestRepeat(5);
+
+  TestRepeatWithEmptyFilter(2);
+  TestRepeatWithEmptyFilter(3);
+
+  TestRepeatWithFilterForSuccessfulTests(3);
+
+  TestRepeatWithFilterForFailedTests(4);
+
+  // It would be nice to verify that the tests indeed loop forever
+  // when GTEST_FLAG(repeat) is negative, but this test will be quite
+  // complicated to write.  Since this flag is for interactive
+  // debugging only and doesn't affect the normal test result, such a
+  // test would be an overkill.
+
+  printf("PASS\n");
+  return 0;
+}