47 lines
1.0 KiB
Odin
47 lines
1.0 KiB
Odin
package main
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import "core:testing"
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@(test)
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opaque_bounds_inset :: proc(t: ^testing.T) {
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// 4x4, opaque 2x2 at (1,1)
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pixels := make([]u8, 4 * 4 * 4)
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defer delete(pixels)
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for y in 1 ..= 2 {
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for x in 1 ..= 2 {
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i := (y * 4 + x) * 4
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pixels[i + 3] = 255
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}
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}
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x, y, w, h := opaque_bounds_rgba(pixels, 4, 4)
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testing.expect_value(t, x, 1)
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testing.expect_value(t, y, 1)
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testing.expect_value(t, w, 2)
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testing.expect_value(t, h, 2)
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}
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@(test)
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opaque_bounds_full :: proc(t: ^testing.T) {
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pixels := make([]u8, 2 * 2 * 4)
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defer delete(pixels)
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for i := 3; i < len(pixels); i += 4 {
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pixels[i] = 255
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}
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x, y, w, h := opaque_bounds_rgba(pixels, 2, 2)
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testing.expect_value(t, x, 0)
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testing.expect_value(t, y, 0)
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testing.expect_value(t, w, 2)
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testing.expect_value(t, h, 2)
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}
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@(test)
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opaque_bounds_empty :: proc(t: ^testing.T) {
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pixels := make([]u8, 3 * 3 * 4)
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defer delete(pixels)
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x, y, w, h := opaque_bounds_rgba(pixels, 3, 3)
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testing.expect_value(t, x, 0)
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testing.expect_value(t, y, 0)
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testing.expect_value(t, w, 1)
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testing.expect_value(t, h, 1)
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}
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