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48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package asset_test
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import (
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"bytes"
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"strings"
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"testing"
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"aego/asset"
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)
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func FuzzMaterialSourceSemanticRoundTrip(f *testing.F) {
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start := "material version=1 shader=asset(\"00000000000000000000000000000001\") { "
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for _, seed := range []string{
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start + "params {} }",
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start + "params { Index=2147483647 Enabled=true Color=#808080ff Noise=asset(\"00000000000000000000000000000002\") } }",
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start + "params { Removed={ list=[1,2,{ nested=true }] } } extension version=7 { payload=\"retain\" } }",
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start + "/* params { Broken=1 } */ params { X=0.5 X=1 } }",
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start + "variants=[A,B] params { X=NaN } }",
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start + "params { Deep=" + strings.Repeat("[", 40) + "1" + strings.Repeat("]", 40) + " } }",
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} {
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f.Add([]byte(seed))
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}
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f.Fuzz(func(t *testing.T, source []byte) {
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if len(source) > 60<<10 {
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t.Skip()
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}
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d, err := asset.ParseMaterial(source, "fuzz.aemat")
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if err != nil {
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return
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}
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normal := asset.MarshalMaterial(d)
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parsed, err := asset.ParseMaterial(normal, "saved.aemat")
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if err != nil {
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t.Fatalf("accepted source cannot be saved and reopened: %v", err)
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}
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if !bytes.Equal(normal, asset.MarshalMaterial(parsed)) {
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t.Fatal("source normalization loses semantics on a second save")
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}
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decoded, err := asset.DecodeMaterial(asset.EncodeMaterial(d), "runtime.aemt")
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if err != nil {
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t.Fatalf("accepted document cannot pass through its runtime artifact: %v", err)
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}
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if !bytes.Equal(normal, asset.MarshalMaterial(decoded)) {
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t.Fatal("runtime artifact lost source semantics or an unresolved reference")
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}
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})
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}
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