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Improved test coverage for image and image view

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This commit is contained in:
Blake Thompson 2015-05-12 16:04:10 -05:00
parent f2b26f5707
commit cebbca16d4
2 changed files with 49 additions and 15 deletions
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62
test/unit/imaging/image.cpp
View file

@ -8,11 +8,11 @@
TEST_CASE("image class") {
SECTION("test gray8") {
SECTION("test gray16") {
const mapnik::image_gray8 im(4,4);
mapnik::image_gray8 im2(im);
mapnik::image_gray8 im3(5,5);
const mapnik::image_gray16 im(4,4);
mapnik::image_gray16 im2(im);
mapnik::image_gray16 im3(5,5);
CHECK(im == im);
CHECK_FALSE(im == im2);
@ -32,22 +32,34 @@ SECTION("test gray8") {
CHECK(im2(0,0) == 0);
im2(0,0) = 1;
CHECK(im2(0,0) == 1);
im2.set(2);
CHECK(im2(0,0) == 2);
CHECK(im2(1,1) == 2);
im2.set(514);
CHECK(im2(0,0) == 514);
CHECK(im2(1,1) == 514);
// Check that size is correct
CHECK(im.size() == 16);
CHECK(im2.size() == 16);
CHECK(im.size() == 32);
CHECK(im2.size() == 32);
// Check that row_size is correct
CHECK(im.row_size() == 4);
CHECK(im2.row_size() == 4);
CHECK(im.row_size() == 8);
CHECK(im2.row_size() == 8);
// Check that get_premultiplied is correct
CHECK_FALSE(im.get_premultiplied());
CHECK_FALSE(im2.get_premultiplied());
// Check that set premultiplied works
im2.set_premultiplied(true);
CHECK(im2.get_premultiplied());
// Check that painted is correct
CHECK_FALSE(im.painted());
CHECK_FALSE(im2.painted());
// Check that set premultiplied works
im2.painted(true);
CHECK(im2.painted());
// Check that offset is correct
CHECK(im.get_offset() == 0.0);
CHECK(im2.get_offset() == 0.0);
@ -65,14 +77,18 @@ SECTION("test gray8") {
CHECK(im2.get_scaling() == 1.1);
// CHECK that image dtype is correct
CHECK(im.get_dtype() == mapnik::image_dtype_gray8);
CHECK(im2.get_dtype() == mapnik::image_dtype_gray8);
CHECK(im.get_dtype() == mapnik::image_dtype_gray16);
CHECK(im2.get_dtype() == mapnik::image_dtype_gray16);
using pixel_type = mapnik::image_view_gray8::pixel_type;
using pixel_type = mapnik::image_view_gray16::pixel_type;
pixel_type expected_val;
// Check that all data in the view is correct
// IM
expected_val = 0;
pixel_type const* data_im = im.data();
CHECK(*data_im == expected_val);
unsigned char const* data_b = im.bytes();
CHECK(*data_b == 0);
for (std::size_t y = 0; y < im.height(); ++y)
{
std::size_t width = im.width();
@ -90,7 +106,13 @@ SECTION("test gray8") {
}
}
// IM2
expected_val = 2;
expected_val = 514;
pixel_type * data_im2 = im2.data();
CHECK(*data_im2 == expected_val);
unsigned char * data_b2 = im2.bytes();
CHECK(*data_b2 == 2);
++data_b;
CHECK(*data_b2 == 2);
for (std::size_t y = 0; y < im2.height(); ++y)
{
std::size_t width = im2.width();
@ -108,6 +130,16 @@ SECTION("test gray8") {
}
}
// Test set row
std::vector<pixel_type> v1(im2.width(), 30);
std::vector<pixel_type> v2(im2.width()-1, 50);
im2.set_row(0, v1.data(), v1.size());
im2.set_row(1, 1, v2.size(), v2.data());
CHECK(im2(0,0) == 30);
CHECK(im2(0,1) == 514);
CHECK(im2(1,1) == 50);
} // END SECTION
SECTION("image_null")

2
test/unit/imaging/image_view.cpp
View file

@ -50,6 +50,8 @@ SECTION("test rgba8") {
CHECK(view_all == view_yellow);
CHECK(view_all == view_red);
CHECK(view_all.data() == im);
// Check that view_all and view_all_2 are not the same underlying data
CHECK_FALSE(view_all == view_all_2);
CHECK(view_all < view_all_2);