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Add quaternion conversion unit tests

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Lars Mueller 2025-01-15 18:26:34 +01:00 • committed by sfan5
parent 0e86366324
commit 3ae1fd459a
2 changed files with 42 additions and 1 deletions
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3
src/unittest/CMakeLists.txt
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@ -13,6 +13,8 @@ set (UNITTEST_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/test_filesys.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_inventory.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irrptr.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irr_matrix4.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irr_quaternion.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_logging.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_lua.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_map.cpp
@ -54,7 +56,6 @@ set (UNITTEST_CLIENT_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/test_eventmanager.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_gameui.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irr_gltf_mesh_loader.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irr_matrix4.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_mesh_compare.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_keycode.cpp
PARENT_SCOPE)

40
src/unittest/test_irr_quaternion.cpp Normal file
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@ -0,0 +1,40 @@
// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "catch.h"
#include "irrMath.h"
#include "matrix4.h"
#include "quaternion.h"
#include "irr_v3d.h"
using matrix4 = core::matrix4;
static bool matrix_equals(const matrix4 &a, const matrix4 &b) {
return a.equals(b, 0.00001f);
}
TEST_CASE("quaternion") {
// Make sure that the conventions are consistent
SECTION("equivalence to euler rotations") {
auto test_rotation = [](v3f rad) {
matrix4 R;
R.setRotationRadians(rad);
v3f rad2;
core::quaternion(rad).toEuler(rad2);
matrix4 R2;
R2.setRotationRadians(rad2);
CHECK(matrix_equals(R, R2));
};
test_rotation({100, 200, 300});
Catch::Generators::RandomFloatingGenerator<f32> gen(0.0f, 2 * core::PI, Catch::getSeed());
for (int i = 0; i < 1000; ++i)
test_rotation(v3f{gen.get(), gen.get(), gen.get()});
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
for (int k = 0; k < 4; k++)
test_rotation(core::PI / 4.0f * v3f(i, j, k));
}
}