91 lines
3.7 KiB
C++
91 lines
3.7 KiB
C++
// Copyright 2013, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: wan@google.com (Zhanyong Wan)
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//
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// Each TEST() expands to some static registration logic. GCC puts all
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// such static initialization logic for a translation unit in a common,
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// internal function. Since Google's build system restricts how much
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// stack space a function can use, there's a limit on how many TEST()s
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// one can put in a single C++ test file. This test ensures that a large
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// number of TEST()s can be defined in the same translation unit.
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#include "gtest/gtest.h"
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// This macro defines 10 dummy tests.
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#define TEN_TESTS_(test_case_name) \
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TEST(test_case_name, T0) {} \
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TEST(test_case_name, T1) {} \
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TEST(test_case_name, T2) {} \
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TEST(test_case_name, T3) {} \
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TEST(test_case_name, T4) {} \
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TEST(test_case_name, T5) {} \
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TEST(test_case_name, T6) {} \
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TEST(test_case_name, T7) {} \
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TEST(test_case_name, T8) {} \
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TEST(test_case_name, T9) {}
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// This macro defines 100 dummy tests.
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#define HUNDRED_TESTS_(test_case_name_prefix) \
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TEN_TESTS_(test_case_name_prefix ## 0) \
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TEN_TESTS_(test_case_name_prefix ## 1) \
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TEN_TESTS_(test_case_name_prefix ## 2) \
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TEN_TESTS_(test_case_name_prefix ## 3) \
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TEN_TESTS_(test_case_name_prefix ## 4) \
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TEN_TESTS_(test_case_name_prefix ## 5) \
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TEN_TESTS_(test_case_name_prefix ## 6) \
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TEN_TESTS_(test_case_name_prefix ## 7) \
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TEN_TESTS_(test_case_name_prefix ## 8) \
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TEN_TESTS_(test_case_name_prefix ## 9)
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// This macro defines 1000 dummy tests.
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#define THOUSAND_TESTS_(test_case_name_prefix) \
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HUNDRED_TESTS_(test_case_name_prefix ## 0) \
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HUNDRED_TESTS_(test_case_name_prefix ## 1) \
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HUNDRED_TESTS_(test_case_name_prefix ## 2) \
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HUNDRED_TESTS_(test_case_name_prefix ## 3) \
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HUNDRED_TESTS_(test_case_name_prefix ## 4) \
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HUNDRED_TESTS_(test_case_name_prefix ## 5) \
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HUNDRED_TESTS_(test_case_name_prefix ## 6) \
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HUNDRED_TESTS_(test_case_name_prefix ## 7) \
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HUNDRED_TESTS_(test_case_name_prefix ## 8) \
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HUNDRED_TESTS_(test_case_name_prefix ## 9)
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// Ensures that we can define 1000 TEST()s in the same translation
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// unit.
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THOUSAND_TESTS_(T)
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int main(int argc, char **argv) {
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testing::InitGoogleTest(&argc, argv);
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// We don't actually need to run the dummy tests - the purpose is to
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// ensure that they compile.
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return 0;
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}
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