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tests: add unit tests for Math transform utilities (#13935)

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Ioannis Tzavaras
2026-04-01 02:16:23 +03:00
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parent ccdfa4070e
commit 36f184ead8
1 changed files with 73 additions and 0 deletions
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tests/helpers/MathTransform.cpp Normal file
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#include <helpers/math/Math.hpp>
#include <gtest/gtest.h>
using namespace Math;
// wlTransformToHyprutils
TEST(Helpers, mathWlTransformToHyprutils) {
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_NORMAL), eTransform::HYPRUTILS_TRANSFORM_NORMAL);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_90), eTransform::HYPRUTILS_TRANSFORM_90);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_180), eTransform::HYPRUTILS_TRANSFORM_180);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_270), eTransform::HYPRUTILS_TRANSFORM_270);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_FLIPPED), eTransform::HYPRUTILS_TRANSFORM_FLIPPED);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_FLIPPED_90), eTransform::HYPRUTILS_TRANSFORM_FLIPPED_90);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_FLIPPED_180), eTransform::HYPRUTILS_TRANSFORM_FLIPPED_180);
EXPECT_EQ(wlTransformToHyprutils(WL_OUTPUT_TRANSFORM_FLIPPED_270), eTransform::HYPRUTILS_TRANSFORM_FLIPPED_270);
}
TEST(Helpers, mathWlTransformToHyprutilsInvalid) {
// Invalid value falls back to NORMAL
EXPECT_EQ(wlTransformToHyprutils(static_cast<wl_output_transform>(99)), eTransform::HYPRUTILS_TRANSFORM_NORMAL);
}
// invertTransform
TEST(Helpers, mathInvertTransformNonRotated) {
// Non-rotated transforms are their own inverse
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_NORMAL), WL_OUTPUT_TRANSFORM_NORMAL);
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_180), WL_OUTPUT_TRANSFORM_180);
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_FLIPPED), WL_OUTPUT_TRANSFORM_FLIPPED);
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_FLIPPED_180), WL_OUTPUT_TRANSFORM_FLIPPED_180);
}
TEST(Helpers, mathInvertTransformRotated) {
// 90 and 270 swap when inverted (non-flipped)
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_90), WL_OUTPUT_TRANSFORM_270);
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_270), WL_OUTPUT_TRANSFORM_90);
}
TEST(Helpers, mathInvertTransformFlippedRotated) {
// Flipped rotations: flipped bit stays, 90/270 don't swap
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_FLIPPED_90), WL_OUTPUT_TRANSFORM_FLIPPED_90);
EXPECT_EQ(invertTransform(WL_OUTPUT_TRANSFORM_FLIPPED_270), WL_OUTPUT_TRANSFORM_FLIPPED_270);
}
TEST(Helpers, mathInvertTransformDoubleInvert) {
// Double invert returns original for all transforms
for (int i = 0; i <= 7; i++) {
auto t = static_cast<wl_output_transform>(i);
EXPECT_EQ(invertTransform(invertTransform(t)), t);
}
}
// composeTransform
TEST(Helpers, mathComposeTransformIdentity) {
// Composing with NORMAL is identity
for (int i = 0; i <= 7; i++) {
auto t = static_cast<eTransform>(i);
EXPECT_EQ(composeTransform(t, eTransform::HYPRUTILS_TRANSFORM_NORMAL), t);
EXPECT_EQ(composeTransform(eTransform::HYPRUTILS_TRANSFORM_NORMAL, t), t);
}
}
TEST(Helpers, mathComposeTransformRotation) {
// 90 + 90 = 180
EXPECT_EQ(composeTransform(eTransform::HYPRUTILS_TRANSFORM_90, eTransform::HYPRUTILS_TRANSFORM_90), eTransform::HYPRUTILS_TRANSFORM_180);
// 90 + 180 = 270
EXPECT_EQ(composeTransform(eTransform::HYPRUTILS_TRANSFORM_90, eTransform::HYPRUTILS_TRANSFORM_180), eTransform::HYPRUTILS_TRANSFORM_270);
// 180 + 180 = NORMAL (360)
EXPECT_EQ(composeTransform(eTransform::HYPRUTILS_TRANSFORM_180, eTransform::HYPRUTILS_TRANSFORM_180), eTransform::HYPRUTILS_TRANSFORM_NORMAL);
}