Hans Goudey
fe4e646405
The generic bounds utility used an incorrect initial value. The value cannot be zero-initialized, because that breaks the case where all values are greater than zero.
65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/* SPDX-License-Identifier: Apache-2.0 */
|
|
|
|
#include "testing/testing.h"
|
|
|
|
#include "BLI_math_base.hh"
|
|
|
|
#include "BLI_array.hh"
|
|
#include "BLI_bounds.hh"
|
|
|
|
namespace blender::tests {
|
|
|
|
TEST(bounds, Empty)
|
|
{
|
|
Span<float2> empty_span{};
|
|
EXPECT_TRUE(empty_span.is_empty());
|
|
auto result = bounds::min_max(empty_span);
|
|
EXPECT_EQ(result, std::nullopt);
|
|
}
|
|
|
|
TEST(bounds, MinMax)
|
|
{
|
|
Array<float2> data = {float2(0, 1), float2(3, -1), float2(0, -2), float2(-1, 1)};
|
|
auto result = bounds::min_max(data.as_span());
|
|
EXPECT_EQ(result->min, float2(-1, -2));
|
|
EXPECT_EQ(result->max, float2(3, 1));
|
|
}
|
|
|
|
TEST(bounds, MinMaxFloat)
|
|
{
|
|
Array<float> data = {1.0f, 3.0f, 0.0f, -1.0f};
|
|
auto result = bounds::min_max(data.as_span());
|
|
EXPECT_EQ(result->min, -1.0f);
|
|
EXPECT_EQ(result->max, 3.0f);
|
|
}
|
|
|
|
TEST(bounds, MinGreaterThanZero)
|
|
{
|
|
Array<float> data = {1.5f, 3.0f, 1.1f, 100.0f};
|
|
auto result = bounds::min_max(data.as_span());
|
|
EXPECT_GT(result->min, 1.0f);
|
|
}
|
|
|
|
TEST(bounds, MinMaxRadii)
|
|
{
|
|
Array<int2> data = {int2(0, 1), int2(3, -1), int2(0, -2), int2(-1, 1)};
|
|
Array<int> radii = {5, 1, 1, 4};
|
|
auto result = bounds::min_max_with_radii(data.as_span(), radii.as_span());
|
|
EXPECT_EQ(result->min, int2(-5, -4));
|
|
EXPECT_EQ(result->max, int2(5, 6));
|
|
}
|
|
|
|
TEST(bounds, Large)
|
|
{
|
|
Array<int2> data(10000);
|
|
for (const int64_t i : data.index_range()) {
|
|
data[i] = int2(i, i);
|
|
}
|
|
|
|
auto result = bounds::min_max(data.as_span());
|
|
EXPECT_EQ(result->min, int2(0, 0));
|
|
EXPECT_EQ(result->max, int2(9999, 9999));
|
|
}
|
|
|
|
} // namespace blender::tests
|