scale_test.go RawHistoryFolder

1package gtkutil
2
3import (
4	"math"
5	"testing"
6)
7
8func TestNormalizeScale(t *testing.T) {
9	tests := []struct {
10		name  string
11		input float64
12		want  float64
13	}{
14		{name: "zero", input: 0, want: 1},
15		{name: "fractional", input: 1.2, want: 1.2},
16		{name: "nan", input: math.NaN(), want: 1},
17		{name: "positive_infinity", input: math.Inf(1), want: 1},
18		{name: "negative_infinity", input: math.Inf(-1), want: 1},
19		{name: "negative", input: -1, want: 1},
20	}
21	for _, tt := range tests {
22		t.Run(tt.name, func(t *testing.T) {
23			if got := NormalizeScale(tt.input); got != tt.want {
24				t.Fatalf("NormalizeScale(%v) = %v, want %v", tt.input, got, tt.want)
25			}
26		})
27	}
28}
29
30func TestDeviceLogicalConversions(t *testing.T) {
31	if got := DeviceToLogical(320, 1.25); got != 256 {
32		t.Fatalf("DeviceToLogical(320, 1.25) = %d, want 256", got)
33	}
34}