What is the reason for and how to fix it ?

Question

1.00/5 (1 vote)

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i write test functions in c++ (linux) that look like :

#include <gtest/gtest.h>

#include"./ApproximationOfPi.cpp"
//-lgtest -lpthread

Test(ApproximationOfPiTest,computeNumPointsInCircle)
{
ASSERT_EQ(3,computeNumPointsInCircle(1));
ASSERT_EQ(11,computeNumPointsInCircle(2));
ASSERT_EQ(27,computeNumPointsInCircle(3));
}

What I have tried:

but it still does't accept the line (#include <gtest gtest.h="">)
when i try to compile it it tells :
ApproximationOfPiTest.cpp:3:25: fatal error: gtest/gtest.h: No such file or directory
#include <gtest gtest.h="">
^
compilation terminated.

someone know how to fix it pleas ?

Posted 21-May-20 16:10pm

Ahmad Qassym

Updated 22-May-20 3:09am

v5

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Richard MacCutchan 22-May-20 4:31am

"fatal error: gtest/gtest.h: No such file or directory"

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Rick York · Answer 1 · 2020-05-21T19:31:00

Make sure the file gtest/gtest.h exists. It has to be in a gtest subdirectory of one of the directories on your include path. That is because you enclosed the name with angle brackets.

Personally, I would change the angle brackets to double quotes. That would allow it to exist in a subdirectory of your source files. If it isn't there then the include path will be searched for it.

This is the difference in using double quotes and angle brackets : using quotes tells the compiler to look first relative to the current directory and if not found then search the include path. The angle brackets tell the compiler to look only in directories on the include path.