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XCEngine/tests/NewEditor/test_xcui_standalone_text_atlas_provider.cpp

46 lines
1.7 KiB
C++

#include <gtest/gtest.h>
#include "XCUIBackend/XCUIStandaloneTextAtlasProvider.h"
#include <cstdint>
namespace {
using XCEngine::Editor::XCUIBackend::IXCUITextAtlasProvider;
using XCEngine::Editor::XCUIBackend::XCUIStandaloneTextAtlasProvider;
TEST(XCUIStandaloneTextAtlasProviderTest, BuildsDefaultEditorAtlasWithoutImGuiContext) {
XCUIStandaloneTextAtlasProvider provider = {};
IXCUITextAtlasProvider::AtlasTextureView atlasView = {};
ASSERT_TRUE(provider.IsReady());
ASSERT_TRUE(provider.GetAtlasTextureView(IXCUITextAtlasProvider::PixelFormat::RGBA32, atlasView));
EXPECT_TRUE(atlasView.IsValid());
EXPECT_EQ(atlasView.format, IXCUITextAtlasProvider::PixelFormat::RGBA32);
EXPECT_GT(provider.GetFontCount(), 0u);
}
TEST(XCUIStandaloneTextAtlasProviderTest, ExposesDefaultFontMetricsAndGlyphs) {
XCUIStandaloneTextAtlasProvider provider = {};
const IXCUITextAtlasProvider::FontHandle defaultFont = provider.GetDefaultFont();
ASSERT_TRUE(defaultFont.IsValid());
IXCUITextAtlasProvider::FontInfo fontInfo = {};
ASSERT_TRUE(provider.GetFontInfo(defaultFont, fontInfo));
EXPECT_GT(fontInfo.nominalSize, 0.0f);
IXCUITextAtlasProvider::BakedFontInfo bakedFontInfo = {};
ASSERT_TRUE(provider.GetBakedFontInfo(defaultFont, 0.0f, bakedFontInfo));
EXPECT_GT(bakedFontInfo.lineHeight, 0.0f);
EXPECT_GT(bakedFontInfo.rasterizerDensity, 0.0f);
IXCUITextAtlasProvider::GlyphInfo glyphInfo = {};
ASSERT_TRUE(provider.FindGlyph(defaultFont, 0.0f, static_cast<std::uint32_t>('A'), glyphInfo));
EXPECT_EQ(glyphInfo.requestedCodepoint, static_cast<std::uint32_t>('A'));
EXPECT_GT(glyphInfo.advanceX, 0.0f);
EXPECT_GE(glyphInfo.u1, glyphInfo.u0);
EXPECT_GE(glyphInfo.v1, glyphInfo.v0);
}
} // namespace