122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/style/image.hpp>
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#include <mbgl/util/image.hpp>
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#include <mbgl/util/exception.hpp>
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using namespace mbgl;
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TEST(StyleImage, ZeroWidth) {
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try {
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style::Image("test", PremultipliedImage({ 0, 16 }), 2.0f);
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("dimensions may not be zero", ex.what());
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}
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}
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TEST(StyleImage, ZeroHeight) {
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try {
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style::Image("test", PremultipliedImage({ 16, 0 }), 2.0f);
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("dimensions may not be zero", ex.what());
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}
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}
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TEST(StyleImage, ZeroRatio) {
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try {
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style::Image("test", PremultipliedImage({ 16, 16 }), 0.0f);
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("pixelRatio may not be <= 0", ex.what());
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}
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}
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TEST(StyleImage, Retina) {
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style::Image image("test", PremultipliedImage({ 32, 24 }), 2.0f);
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EXPECT_EQ(32u, image.getImage().size.width);
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EXPECT_EQ(24u, image.getImage().size.height);
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EXPECT_EQ(2, image.getPixelRatio());
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}
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TEST(StyleImage, FractionalRatio) {
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style::Image image("test", PremultipliedImage({ 20, 12 }), 1.5f);
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EXPECT_EQ(20u, image.getImage().size.width);
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EXPECT_EQ(12u, image.getImage().size.height);
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EXPECT_EQ(1.5, image.getPixelRatio());
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}
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TEST(StyleImage, InvalidStretchX) {
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// out of left bound
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {{-1.0f, 3.0f}});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("stretchX is out of bounds or overlapping", ex.what());
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}
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// overlapping
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {{0.0f, 3.0f}, {2.0f, 4.0f}});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("stretchX is out of bounds or overlapping", ex.what());
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}
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}
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TEST(StyleImage, InvalidStretchY) {
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// out of bottom bound
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {}, {{14.0f, 20.0f}});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("stretchX is out of bounds or overlapping", ex.what());
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}
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// must be sorted
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {}, {{4.0f, 8.0f}, {2.0f, 3.0f}});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("stretchX is out of bounds or overlapping", ex.what());
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}
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}
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TEST(StyleImage, InvalidContent) {
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// bottom right out of bounds
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {}, {}, style::ImageContent{0, 0, 24, 28});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("content area is invalid", ex.what());
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}
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// bottom right < top left
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {}, {}, style::ImageContent{14, 14, 12, 10});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("content area is invalid", ex.what());
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}
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// top left out of bounds
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try {
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style::Image("test", PremultipliedImage({16, 16}), 1, {}, {}, style::ImageContent{-2, -8, 12, 10});
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FAIL() << "Expected exception";
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} catch (util::StyleImageException& ex) {
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EXPECT_STREQ("content area is invalid", ex.what());
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}
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}
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TEST(StyleImage, StretchContent) {
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style::Image image(
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"test", PremultipliedImage({16, 16}), 1, {{2.0f, 14.0f}}, {{0.0f, 4.0f}, {12.0f, 16.0f}}, style::ImageContent{2, 2, 14, 14});
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EXPECT_EQ(16u, image.getImage().size.width);
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EXPECT_EQ(16u, image.getImage().size.height);
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EXPECT_EQ(1.0, image.getPixelRatio());
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EXPECT_EQ((style::ImageStretches{{2.0f, 14.0f}}), image.getStretchX());
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EXPECT_EQ((style::ImageStretches{{0.0f, 4.0f}, {12.0f, 16.0f}}), image.getStretchY());
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EXPECT_EQ((style::ImageContent{2, 2, 14, 14}), image.getContent());
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}
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