62 lines
1.0 KiB
Go
62 lines
1.0 KiB
Go
package imaging
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import (
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"runtime"
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"testing"
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)
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func testParallelN(enabled bool, n, procs int) bool {
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data := make([]bool, n)
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before := runtime.GOMAXPROCS(0)
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runtime.GOMAXPROCS(procs)
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parallel(n, func(start, end int) {
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for i := start; i < end; i++ {
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data[i] = true
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}
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})
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for i := 0; i < n; i++ {
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if data[i] != true {
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return false
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}
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}
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runtime.GOMAXPROCS(before)
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return true
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}
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func TestParallel(t *testing.T) {
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for _, e := range []bool{true, false} {
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for _, n := range []int{1, 10, 100, 1000} {
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for _, p := range []int{1, 2, 4, 8, 16, 100} {
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if testParallelN(e, n, p) != true {
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t.Errorf("test [parallel %v %d %d] failed", e, n, p)
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}
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}
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}
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}
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}
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func TestClamp(t *testing.T) {
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td := []struct {
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f float64
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u uint8
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}{
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{0, 0},
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{255, 255},
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{128, 128},
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{0.49, 0},
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{0.50, 1},
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{254.9, 255},
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{254.0, 254},
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{256, 255},
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{2500, 255},
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{-10, 0},
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{127.6, 128},
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}
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for _, d := range td {
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if clamp(d.f) != d.u {
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t.Errorf("test [clamp %v %v] failed: %v", d.f, d.u, clamp(d.f))
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}
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}
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}
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