#include <gtest/gtest.h>

#include "UI/BuiltInIconLayoutUtils.h"

namespace {

using XCEngine::Editor::UI::ComputeFittedIconSize;

TEST(BuiltInIconLayoutUtilsTest, ReturnsZeroWhenTextureOrBoundsAreInvalid) {
    EXPECT_EQ(
        ComputeFittedIconSize(0, 64, ImVec2(0.0f, 0.0f), ImVec2(64.0f, 64.0f)).x,
        0.0f);
    EXPECT_EQ(
        ComputeFittedIconSize(64, 64, ImVec2(10.0f, 0.0f), ImVec2(10.0f, 64.0f)).y,
        0.0f);
}

TEST(BuiltInIconLayoutUtilsTest, FitsWidthLimitedRegions) {
    const ImVec2 size = ComputeFittedIconSize(
        256,
        128,
        ImVec2(0.0f, 0.0f),
        ImVec2(64.0f, 64.0f));

    EXPECT_FLOAT_EQ(size.x, 64.0f);
    EXPECT_FLOAT_EQ(size.y, 32.0f);
}

TEST(BuiltInIconLayoutUtilsTest, FitsHeightLimitedRegions) {
    const ImVec2 size = ComputeFittedIconSize(
        128,
        256,
        ImVec2(0.0f, 0.0f),
        ImVec2(80.0f, 40.0f));

    EXPECT_FLOAT_EQ(size.x, 20.0f);
    EXPECT_FLOAT_EQ(size.y, 40.0f);
}

} // namespace