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POHow does gtest compare the values in two arrays?
 

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  1. POHow does gtest compare the values in two arrays?
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    <p>I have read <a href="https://github.com/google/googletest/blob/master/googletest/docs/primer.md#assertions" rel="nofollow noreferrer">this official document</a>, learn how to do Binary Comparison and String Comparison.</p> <p>The ASSERT_EQ and ASSERT_STREQ could not work in the array comparison case.</p> <p>For example</p> <pre><code>li@li:~/poc$ g++ -I${GTEST_DIR}/include insertion_sort.cpp insertion_sort_unittest.cpp /home/li/libgtest.a -lpthread -o inser_unit li@li:~/poc$ ./inser_unit [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from InsertionSortTest [ RUN ] InsertionSortTest.Two insertion_sort_unittest.cpp:18: Failure Value of: two_sorted Actual: { 2, 5 } Expected: two Which is: { 2, 5 } [ FAILED ] InsertionSortTest.Two (1 ms) [----------] 1 test from InsertionSortTest (1 ms total) [----------] Global test environment tear-down [==========] 1 test from 1 test case ran. (1 ms total) [ PASSED ] 0 tests. [ FAILED ] 1 test, listed below: [ FAILED ] InsertionSortTest.Two 1 FAILED TEST </code></pre> <p>insertion_sort_unittest.cpp</p> <pre><code>#include &lt;limits.h&gt; #include "insertionsort.h" #include "gtest/gtest.h" namespace{ class InsertionSortTest : public ::testing::Test{ protected: InsertionSortTest() {} virtual ~InsertionSortTest() {} virtual void SetUp() {} virtual void TearDown() {} }; TEST(InsertionSortTest, Two){ int two[] = {5, 2}; int two_sorted[] = {2, 5}; insertionSort(two, 2); EXPECT_EQ(two, two_sorted); } } int main(int argc, char **argv){ ::testing::InitGoogleTest(&amp;argc, argv); return RUN_ALL_TESTS(); } </code></pre> <p>insertion_sort.cpp</p> <pre><code>#include "insertionsort.h" void insertionSort(int *data, int size){ for (int i=1,j; i&lt;size; i++){ int key = data[i]; for (j=i-1; j&gt;=0; j--){ if (data[j] &gt; key){ data[j+1]=data[j]; data[j]=key; } } } } </code></pre> <p>insertionsort.h</p> <pre><code>#ifndef INSERTIONSORT_H_ #define INSERTIONSORT_H_ void insertionSort(int *data, int size); #endif </code></pre>
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    1. COMaybe I should learn how to use googlemock, I found the answer [here](http://stackoverflow.com/questions/1460703/comparison-of-arrays-in-google-test) and [here](http://code.google.com/p/googletest/issues/detail?id=231)
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