tei/MapLibreParticleLab
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[core] Add image tests

Browse Source
This commit is contained in:
John Firebaugh
2015-11-23 14:17:40 -08:00
parent f3d6f68106
commit 54eff4b4c1
8 changed files with 94 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
test/fixtures/image/no_profile.png vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 82 B

BIN
test/fixtures/image/no_profile_alpha.png vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 82 B

BIN
test/fixtures/image/profile.png vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 83 B

BIN
test/fixtures/image/profile_alpha.png vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 83 B

BIN
test/fixtures/image/tile.jpeg vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 24 KiB

BIN
test/fixtures/image/tile.png vendored Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 48 KiB

93
test/miscellaneous/image.cpp Normal file
View File

@@ -0,0 +1,93 @@
#include "../fixtures/util.hpp"
#include <mbgl/util/premultiply.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/io.hpp>
using namespace mbgl;
TEST(Image, PNGRoundTrip) {
UnassociatedImage rgba { 1, 1 };
rgba.data[0] = 128;
rgba.data[1] = 0;
rgba.data[2] = 0;
rgba.data[3] = 255;
PremultipliedImage image = decodeImage(encodePNG(rgba));
EXPECT_EQ(128, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(255, image.data[3]);
}
TEST(Image, PNGRoundTripAlpha) {
UnassociatedImage rgba { 1, 1 };
rgba.data[0] = 128;
rgba.data[1] = 0;
rgba.data[2] = 0;
rgba.data[3] = 128;
PremultipliedImage image = decodeImage(encodePNG(rgba));
EXPECT_EQ(64, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(128, image.data[3]);
}
TEST(Image, PNGReadNoProfile) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/no_profile.png"));
EXPECT_EQ(128, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(255, image.data[3]);
}
TEST(Image, PNGReadNoProfileAlpha) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/no_profile_alpha.png"));
EXPECT_EQ(64, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(128, image.data[3]);
}
TEST(Image, PNGReadProfile) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/profile.png"));
EXPECT_EQ(128, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(255, image.data[3]);
}
TEST(Image, PNGReadProfileAlpha) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/profile_alpha.png"));
EXPECT_EQ(64, image.data[0]);
EXPECT_EQ(0, image.data[1]);
EXPECT_EQ(0, image.data[2]);
EXPECT_EQ(128, image.data[3]);
}
TEST(Image, PNGTile) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/tile.png"));
EXPECT_EQ(256, image.width);
EXPECT_EQ(256, image.height);
}
TEST(Image, JPEGTile) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/image/tile.jpeg"));
EXPECT_EQ(256, image.width);
EXPECT_EQ(256, image.height);
}
TEST(Image, Premultiply) {
UnassociatedImage rgba { 1, 1 };
rgba.data[0] = 255;
rgba.data[1] = 254;
rgba.data[2] = 253;
rgba.data[3] = 128;
PremultipliedImage image = util::premultiply(std::move(rgba));
EXPECT_EQ(128, image.data[0]);
EXPECT_EQ(127, image.data[1]);
EXPECT_EQ(127, image.data[2]);
EXPECT_EQ(128, image.data[3]);
}

1
test/test.gypi
View File

@@ -52,6 +52,7 @@
'miscellaneous/enums.cpp',
'miscellaneous/functions.cpp',
'miscellaneous/geo.cpp',
'miscellaneous/image.cpp',
'miscellaneous/map.cpp',
'miscellaneous/map_context.cpp',
'miscellaneous/mapbox.cpp',