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Diffstat (limited to 'test/gtest_test_macro_stack_footprint_test.cc')
| -rw-r--r-- | test/gtest_test_macro_stack_footprint_test.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/test/gtest_test_macro_stack_footprint_test.cc b/test/gtest_test_macro_stack_footprint_test.cc new file mode 100644 index 0000000..a48db05 --- /dev/null +++ b/test/gtest_test_macro_stack_footprint_test.cc @@ -0,0 +1,89 @@ +// Copyright 2013, 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. + +// +// Each TEST() expands to some static registration logic. GCC puts all +// such static initialization logic for a translation unit in a common, +// internal function. Since Google's build system restricts how much +// stack space a function can use, there's a limit on how many TEST()s +// one can put in a single C++ test file. This test ensures that a large +// number of TEST()s can be defined in the same translation unit. + +#include "gtest/gtest.h" + +// This macro defines 10 dummy tests. +#define TEN_TESTS_(test_case_name) \ + TEST(test_case_name, T0) {} \ + TEST(test_case_name, T1) {} \ + TEST(test_case_name, T2) {} \ + TEST(test_case_name, T3) {} \ + TEST(test_case_name, T4) {} \ + TEST(test_case_name, T5) {} \ + TEST(test_case_name, T6) {} \ + TEST(test_case_name, T7) {} \ + TEST(test_case_name, T8) {} \ + TEST(test_case_name, T9) {} + +// This macro defines 100 dummy tests. +#define HUNDRED_TESTS_(test_case_name_prefix) \ + TEN_TESTS_(test_case_name_prefix ## 0) \ + TEN_TESTS_(test_case_name_prefix ## 1) \ + TEN_TESTS_(test_case_name_prefix ## 2) \ + TEN_TESTS_(test_case_name_prefix ## 3) \ + TEN_TESTS_(test_case_name_prefix ## 4) \ + TEN_TESTS_(test_case_name_prefix ## 5) \ + TEN_TESTS_(test_case_name_prefix ## 6) \ + TEN_TESTS_(test_case_name_prefix ## 7) \ + TEN_TESTS_(test_case_name_prefix ## 8) \ + TEN_TESTS_(test_case_name_prefix ## 9) + +// This macro defines 1000 dummy tests. +#define THOUSAND_TESTS_(test_case_name_prefix) \ + HUNDRED_TESTS_(test_case_name_prefix ## 0) \ + HUNDRED_TESTS_(test_case_name_prefix ## 1) \ + HUNDRED_TESTS_(test_case_name_prefix ## 2) \ + HUNDRED_TESTS_(test_case_name_prefix ## 3) \ + HUNDRED_TESTS_(test_case_name_prefix ## 4) \ + HUNDRED_TESTS_(test_case_name_prefix ## 5) \ + HUNDRED_TESTS_(test_case_name_prefix ## 6) \ + HUNDRED_TESTS_(test_case_name_prefix ## 7) \ + HUNDRED_TESTS_(test_case_name_prefix ## 8) \ + HUNDRED_TESTS_(test_case_name_prefix ## 9) + +// Ensures that we can define 1000 TEST()s in the same translation +// unit. +THOUSAND_TESTS_(T) + +int main(int argc, char **argv) { + testing::InitGoogleTest(&argc, argv); + + // We don't actually need to run the dummy tests - the purpose is to + // ensure that they compile. + return 0; +} |