forked from Archive/PX4-Autopilot
Merge pull request #1534 from sjwilks/gtest
Integrate the Google Test framework.
This commit is contained in:
Lorenz Meier
commit
4574c752c1
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@ -7,3 +7,6 @@
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[submodule "uavcan"]
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path = src/lib/uavcan
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url = git://github.com/pavel-kirienko/uavcan.git
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[submodule "unittests/gtest"]
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path = unittests/gtest
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url = https://github.com/sjwilks/gtest.git
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@ -3,7 +3,44 @@ CC=g++
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CFLAGS=-I. -I../src/modules -I ../src/include -I../src/drivers \
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-I../src -I../src/lib -D__EXPORT="" -Dnullptr="0" -lm
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all: mixer_test sbus2_test autodeclination_test st24_test sf0x_test
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# Points to the root of Google Test, relative to where this file is.
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# Remember to tweak this if you move this file.
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GTEST_DIR = gtest
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# Flags passed to the preprocessor.
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# Set Google Test's header directory as a system directory, such that
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# the compiler doesn't generate warnings in Google Test headers.
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CFLAGS += -isystem $(GTEST_DIR)/include
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# All Google Test headers. Usually you shouldn't change this
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# definition.
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GTEST_HEADERS = $(GTEST_DIR)/include/gtest/*.h \
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$(GTEST_DIR)/include/gtest/internal/*.h
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# Usually you shouldn't tweak such internal variables, indicated by a
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# trailing _.
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GTEST_SRCS_ = $(GTEST_DIR)/src/*.cc $(GTEST_DIR)/src/*.h $(GTEST_HEADERS)
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# For simplicity and to avoid depending on Google Test's
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# implementation details, the dependencies specified below are
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# conservative and not optimized. This is fine as Google Test
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# compiles fast and for ordinary users its source rarely changes.
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gtest-all.o: $(GTEST_SRCS_)
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$(CC) $(CFLAGS) -I$(GTEST_DIR) -c \
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$(GTEST_DIR)/src/gtest-all.cc
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gtest_main.o: $(GTEST_SRCS_)
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$(CC) $(CFLAGS) -I$(GTEST_DIR) -c \
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$(GTEST_DIR)/src/gtest_main.cc
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gtest.a: gtest-all.o
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$(AR) $(ARFLAGS) $@ $^
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gtest_main.a: gtest-all.o gtest_main.o
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$(AR) $(ARFLAGS) $@ $^
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all: sample_unittest mixer_test sbus2_test autodeclination_test st24_test sf0x_test
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MIXER_FILES=../src/systemcmds/tests/test_mixer.cpp \
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../src/systemcmds/tests/test_conv.cpp \
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@ -33,6 +70,20 @@ AUTODECLINATION_FILES= ../src/lib/geo_lookup/geo_mag_declination.c \
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hrt.cpp \
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autodeclination_test.cpp
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# Builds a sample test. A test should link with either gtest.a or
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# gtest_main.a, depending on whether it defines its own main()
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# function.
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sample.o: sample.cc sample.h $(GTEST_HEADERS)
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$(CC) $(CFLAGS) -c sample.cc
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sample_unittest.o: sample_unittest.cc \
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sample.h $(GTEST_HEADERS)
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$(CC) $(CFLAGS) -c sample_unittest.cc
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sample_unittest: sample.o sample_unittest.o gtest_main.a
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$(CC) $(CFLAGS) $^ -o $@
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mixer_test: $(MIXER_FILES)
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$(CC) -o mixer_test $(MIXER_FILES) $(CFLAGS)
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@ -57,4 +108,4 @@ unittests: clean mixer_test sbus2_test sf0x_test autodeclination_test st24_test
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.PHONY: clean
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clean:
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rm -f $(ODIR)/*.o *~ core $(INCDIR)/*~ mixer_test sbus2_test autodeclination_test st24_test sf0x_test
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rm -f gtest.a gtest_main.a *.o $(ODIR)/*.o *~ core $(INCDIR)/*~ sample_unittest mixer_test sbus2_test autodeclination_test st24_test sf0x_test
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@ -0,0 +1 @@
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Subproject commit cdef6e4ce097f953445446e8da4cb8bb68478bc5
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@ -0,0 +1,68 @@
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// Copyright 2005, 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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// A sample program demonstrating using Google C++ testing framework.
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//
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// Author: wan@google.com (Zhanyong Wan)
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#include "sample.h"
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// Returns n! (the factorial of n). For negative n, n! is defined to be 1.
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int Factorial(int n) {
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int result = 1;
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for (int i = 1; i <= n; i++) {
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result *= i;
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}
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return result;
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}
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// Returns true iff n is a prime number.
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bool IsPrime(int n) {
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// Trivial case 1: small numbers
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if (n <= 1) return false;
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// Trivial case 2: even numbers
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if (n % 2 == 0) return n == 2;
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// Now, we have that n is odd and n >= 3.
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// Try to divide n by every odd number i, starting from 3
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for (int i = 3; ; i += 2) {
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// We only have to try i up to the squre root of n
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if (i > n/i) break;
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// Now, we have i <= n/i < n.
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// If n is divisible by i, n is not prime.
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if (n % i == 0) return false;
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}
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// n has no integer factor in the range (1, n), and thus is prime.
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return true;
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}
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@ -0,0 +1,43 @@
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// Copyright 2005, 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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// A sample program demonstrating using Google C++ testing framework.
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//
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// Author: wan@google.com (Zhanyong Wan)
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#ifndef GTEST_SAMPLES_SAMPLE1_H_
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#define GTEST_SAMPLES_SAMPLE1_H_
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// Returns n! (the factorial of n). For negative n, n! is defined to be 1.
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int Factorial(int n);
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// Returns true iff n is a prime number.
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bool IsPrime(int n);
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#endif // GTEST_SAMPLES_SAMPLE1_H_
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@ -0,0 +1,153 @@
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// Copyright 2005, 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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// A sample program demonstrating using Google C++ testing framework.
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//
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// Author: wan@google.com (Zhanyong Wan)
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// This sample shows how to write a simple unit test for a function,
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// using Google C++ testing framework.
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//
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// Writing a unit test using Google C++ testing framework is easy as 1-2-3:
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// Step 1. Include necessary header files such that the stuff your
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// test logic needs is declared.
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//
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// Don't forget gtest.h, which declares the testing framework.
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#include <limits.h>
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#include "sample.h"
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#include "gtest/gtest.h"
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// Step 2. Use the TEST macro to define your tests.
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//
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// TEST has two parameters: the test case name and the test name.
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// After using the macro, you should define your test logic between a
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// pair of braces. You can use a bunch of macros to indicate the
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// success or failure of a test. EXPECT_TRUE and EXPECT_EQ are
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// examples of such macros. For a complete list, see gtest.h.
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//
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// <TechnicalDetails>
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//
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// In Google Test, tests are grouped into test cases. This is how we
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// keep test code organized. You should put logically related tests
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// into the same test case.
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//
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// The test case name and the test name should both be valid C++
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// identifiers. And you should not use underscore (_) in the names.
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//
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// Google Test guarantees that each test you define is run exactly
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// once, but it makes no guarantee on the order the tests are
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// executed. Therefore, you should write your tests in such a way
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// that their results don't depend on their order.
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//
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// </TechnicalDetails>
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// Tests Factorial().
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// Tests factorial of negative numbers.
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TEST(FactorialTest, Negative) {
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// This test is named "Negative", and belongs to the "FactorialTest"
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// test case.
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EXPECT_EQ(1, Factorial(-5));
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EXPECT_EQ(1, Factorial(-1));
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EXPECT_GT(Factorial(-10), 0);
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// <TechnicalDetails>
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//
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// EXPECT_EQ(expected, actual) is the same as
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//
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// EXPECT_TRUE((expected) == (actual))
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//
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// except that it will print both the expected value and the actual
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// value when the assertion fails. This is very helpful for
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// debugging. Therefore in this case EXPECT_EQ is preferred.
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//
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// On the other hand, EXPECT_TRUE accepts any Boolean expression,
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// and is thus more general.
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//
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// </TechnicalDetails>
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}
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// Tests factorial of 0.
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TEST(FactorialTest, Zero) {
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EXPECT_EQ(1, Factorial(0));
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}
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// Tests factorial of positive numbers.
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TEST(FactorialTest, Positive) {
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EXPECT_EQ(1, Factorial(1));
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EXPECT_EQ(2, Factorial(2));
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EXPECT_EQ(6, Factorial(3));
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EXPECT_EQ(40320, Factorial(8));
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}
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// Tests IsPrime()
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// Tests negative input.
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TEST(IsPrimeTest, Negative) {
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// This test belongs to the IsPrimeTest test case.
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EXPECT_FALSE(IsPrime(-1));
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EXPECT_FALSE(IsPrime(-2));
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EXPECT_FALSE(IsPrime(INT_MIN));
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}
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// Tests some trivial cases.
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TEST(IsPrimeTest, Trivial) {
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EXPECT_FALSE(IsPrime(0));
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EXPECT_FALSE(IsPrime(1));
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EXPECT_TRUE(IsPrime(2));
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EXPECT_TRUE(IsPrime(3));
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}
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// Tests positive input.
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TEST(IsPrimeTest, Positive) {
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EXPECT_FALSE(IsPrime(4));
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EXPECT_TRUE(IsPrime(5));
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EXPECT_FALSE(IsPrime(6));
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EXPECT_TRUE(IsPrime(23));
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}
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// Step 3. Call RUN_ALL_TESTS() in main().
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//
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// We do this by linking in src/gtest_main.cc file, which consists of
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// a main() function which calls RUN_ALL_TESTS() for us.
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//
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// This runs all the tests you've defined, prints the result, and
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// returns 0 if successful, or 1 otherwise.
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//
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// Did you notice that we didn't register the tests? The
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// RUN_ALL_TESTS() macro magically knows about all the tests we
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// defined. Isn't this convenient?
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