28 lines
570 B
Go
28 lines
570 B
Go
package numeric
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import "testing"
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func TestInterleaveDeinterleave(t *testing.T) {
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tests := []struct {
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v1 uint64
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v2 uint64
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}{
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{0, 0},
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{1, 1},
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{27, 39},
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{1<<32 - 1, 1<<32 - 1}, // largest that should still work
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}
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for _, test := range tests {
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i := Interleave(test.v1, test.v2)
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gotv1 := Deinterleave(i)
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gotv2 := Deinterleave(i >> 1)
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if gotv1 != test.v1 {
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t.Errorf("expected v1: %d, got %d, interleaved was %x", test.v1, gotv1, i)
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}
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if gotv2 != test.v2 {
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t.Errorf("expected v2: %d, got %d, interleaved was %x", test.v2, gotv2, i)
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}
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}
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}
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