a7bb9496ae
Vanilla-faithful overworld generator (final_density + multi-noise biomes), full connection lifecycle (status/login/configuration/play), chunk streaming, creative block editing, and the protocol/nbt/registry infrastructure.
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
package worldgen
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import (
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"math"
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"testing"
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)
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// Reference vectors captured from the official 26.1.2 server classes
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// (XoroshiroRandomSource / LegacyRandomSource seeded with 42), consumed in
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// order: 5x NextLong, 5x NextIntN(100), then doubles/floats.
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func TestXoroshiroVectors(t *testing.T) {
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x := NewXoroshiro(42)
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wantLong := []int64{
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-4695948378737616609, 7341713790291473579, -7542733514721318211,
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4888889476139319686, 8419651034331256779,
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}
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for i, w := range wantLong {
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if got := x.NextLong(); got != w {
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t.Fatalf("NextLong[%d] = %d, want %d", i, got, w)
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}
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}
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wantInt := []int32{28, 93, 40, 73, 75}
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for i, w := range wantInt {
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if got := x.NextIntN(100); got != w {
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t.Fatalf("NextIntN[%d] = %d, want %d", i, got, w)
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}
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}
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wantDouble := []float64{0.4990607418038817, 0.4922907789978952, 0.09296765457327383}
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for i, w := range wantDouble {
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if got := x.NextDouble(); math.Abs(got-w) > 1e-15 {
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t.Fatalf("NextDouble[%d] = %v, want %v", i, got, w)
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}
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}
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wantFloat := []float32{0.1058414, 0.583224, 0.34108514}
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for i, w := range wantFloat {
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if got := x.NextFloat(); math.Abs(float64(got-w)) > 1e-6 {
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t.Fatalf("NextFloat[%d] = %v, want %v", i, got, w)
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}
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}
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}
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func TestLegacyVectors(t *testing.T) {
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r := NewLegacy(42)
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wantLong := []int64{
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-5025562857975149833, -5843495416241995736, 5694868678511409995,
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5111195811822994797, -6169532649852302182,
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}
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for i, w := range wantLong {
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if got := r.NextLong(); got != w {
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t.Fatalf("NextLong[%d] = %d, want %d", i, got, w)
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}
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}
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wantInt := []int32{82, 2, 76, 92, 76}
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for i, w := range wantInt {
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if got := r.NextIntN(100); got != w {
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t.Fatalf("NextIntN[%d] = %d, want %d", i, got, w)
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}
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}
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wantDouble := []float64{0.6904257605024213, 0.762090173108902, 0.998178600062844}
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for i, w := range wantDouble {
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if got := r.NextDouble(); math.Abs(got-w) > 1e-15 {
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t.Fatalf("NextDouble[%d] = %v, want %v", i, got, w)
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}
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}
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}
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