48 lines
922 B
Go
48 lines
922 B
Go
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package lgray
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import (
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"math"
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"testing"
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"smariot.com/color/internal/helper"
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)
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func eq(c0, c1 Color) bool {
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return helper.EqFloat64Fuzzy(c0.Y, c1.Y)
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}
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func midpoint(c0, c1 Color) Color {
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return Color{(c0.Y + c1.Y) / 2}
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}
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func TestModel(t *testing.T) {
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helper.TestModel(t, false, false, Model, eq, []helper.ConvertTest[Color]{
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{
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Name: "passthrough +inf",
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In: Color{math.Inf(1)},
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Out: Color{math.Inf(1)},
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}, {
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Name: "passthrough -inf",
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In: Color{math.Inf(-1)},
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Out: Color{math.Inf(-1)},
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}, {
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Name: "passthrough nan",
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In: Color{math.NaN()},
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Out: Color{math.NaN()},
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},
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})
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}
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func distance(a, b Color) float64 {
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d := Distance(a, b)
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dSqr := DistanceSqr(a, b)
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if !helper.EqFloat64Fuzzy(d*d, dSqr) {
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panic("Distance and DistanceSqr are not equivalent")
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}
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return d
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}
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func TestDistance(t *testing.T) {
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helper.TestDistance(t, false, false, midpoint, distance, Model)
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}
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