blender/tests/gtests/blenlib/BLI_math_vector_test.cc

48 lines
1018 B
C++

/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include "BLI_math.h"
TEST(math_vector, ClampVecWithFloats)
{
const float min = 0.0f;
const float max = 1.0f;
float a[2] = {-1.0f, -1.0f};
clamp_v2(a, min, max);
EXPECT_FLOAT_EQ(0.0f, a[0]);
EXPECT_FLOAT_EQ(0.0f, a[1]);
float b[2] = {0.5f, 0.5f};
clamp_v2(b, min, max);
EXPECT_FLOAT_EQ(0.5f, b[0]);
EXPECT_FLOAT_EQ(0.5f, b[1]);
float c[2] = {2.0f, 2.0f};
clamp_v2(c, min, max);
EXPECT_FLOAT_EQ(1.0f, c[0]);
EXPECT_FLOAT_EQ(1.0f, c[1]);
}
TEST(math_vector, ClampVecWithVecs)
{
const float min[2] = {0.0f, 2.0f};
const float max[2] = {1.0f, 3.0f};
float a[2] = {-1.0f, -1.0f};
clamp_v2_v2v2(a, min, max);
EXPECT_FLOAT_EQ(0.0f, a[0]);
EXPECT_FLOAT_EQ(2.0f, a[1]);
float b[2] = {0.5f, 2.5f};
clamp_v2_v2v2(b, min, max);
EXPECT_FLOAT_EQ(0.5f, b[0]);
EXPECT_FLOAT_EQ(2.5f, b[1]);
float c[2] = {2.0f, 4.0f};
clamp_v2_v2v2(c, min, max);
EXPECT_FLOAT_EQ(1.0f, c[0]);
EXPECT_FLOAT_EQ(3.0f, c[1]);
}