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Fix random usage in matrix4 tests

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Lars Mueller 2025-01-30 13:17:13 +01:00 • committed by sfan5
parent 1ceeea34f4
commit 5abf220979
1 changed files with 32 additions and 22 deletions
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54
src/unittest/test_irr_matrix4.cpp
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@ -85,28 +85,38 @@ SECTION("getScale") {
}
SECTION("getRotationDegrees") {
auto test_rotation_degrees = [](v3f deg) {
matrix4 S;
Catch::Generators::RandomFloatingGenerator<f32> gen(0.1f, 10, Catch::getSeed());
S.setScale({gen.get(), gen.get(), gen.get()});
matrix4 R;
R.setRotationDegrees(deg);
v3f rot = (R * S).getRotationDegrees();
matrix4 B;
B.setRotationDegrees(rot);
CHECK(matrix_equals(R, B));
};
SECTION("returns a rotation equivalent to the original rotation") {
test_rotation_degrees({100, 200, 300});
Catch::Generators::RandomFloatingGenerator<f32> gen(0, 360, Catch::getSeed());
for (int i = 0; i < 1000; ++i)
test_rotation_degrees(v3f{gen.get(), gen.get(), gen.get()});
for (f32 i = 0; i < 360; i += 90)
for (f32 j = 0; j < 360; j += 90)
for (f32 k = 0; k < 360; k += 90)
test_rotation_degrees({i, j, k});
}
auto test_rotation_degrees = [](v3f deg, v3f scale) {
matrix4 S;
S.setScale(scale);
matrix4 R;
R.setRotationDegrees(deg);
v3f rot = (R * S).getRotationDegrees();
matrix4 B;
B.setRotationDegrees(rot);
CHECK(matrix_equals(R, B));
};
SECTION("returns a rotation equivalent to the original rotation") {
test_rotation_degrees({100, 200, 300}, v3f(1));
Catch::Generators::RandomFloatingGenerator<f32> gen_angle(0, 360, Catch::getSeed());
Catch::Generators::RandomFloatingGenerator<f32> gen_scale(0.1f, 10, Catch::getSeed());
auto draw = [](auto gen) {
f32 f = gen.get();
gen.next();
return f;
};
auto draw_v3f = [&](auto gen) {
return v3f{draw(gen), draw(gen), draw(gen)};
};
for (int i = 0; i < 1000; ++i)
test_rotation_degrees(draw_v3f(gen_angle), draw_v3f(gen_scale));
for (f32 i = 0; i < 360; i += 90)
for (f32 j = 0; j < 360; j += 90)
for (f32 k = 0; k < 360; k += 90) {
for (int l = 0; l < 100; ++l) {
test_rotation_degrees({i, j, k}, draw_v3f(gen_scale));
}
}
}
}
}