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add comments describing the purpose of the s,t-rectangle tests

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This commit is contained in:
Sean Barrett 2014-08-18 09:01:33 -07:00
parent 9ba3dc1fc5
commit eb0781fda0
1 changed files with 4 additions and 0 deletions
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4
tests/resample_test.cpp
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@ -350,6 +350,7 @@ void test_premul(const char* file)
free(output_data);
}
// test that splitting a pow-2 image into tiles produces identical results
void test_subpixel_1()
{
unsigned char image[8 * 8];
@ -379,6 +380,7 @@ void test_subpixel_1()
}
}
// test that replicating an image and using a subtile of it produces same results as wraparound
void test_subpixel_2()
{
unsigned char image[8 * 8];
@ -415,6 +417,7 @@ void test_subpixel_2()
}}
}
// test that 0,0,1,1 subpixel produces same result as no-rect
void test_subpixel_3()
{
unsigned char image[8 * 8];
@ -437,6 +440,7 @@ void test_subpixel_3()
}
}
// test that 1:1 resample using s,t=0,0,1,1 with bilinear produces original image
void test_subpixel_4()
{
unsigned char image[8 * 8];