sanspie
67e2d77823
docs/style.md, docs/glossary.md, style checks DOC010–DOC023 and docs report; the site in a light theme; the Editor, Aego Script, Gameplay, Physics, Scenes, Rendering, Tools and Reference sections rewritten.
34 lines
893 B
Go
34 lines
893 B
Go
package problems
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import "testing"
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// Collect asks a source again only when its own revision changed (D346).
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func TestCollectReusesUnchangedSources(t *testing.T) {
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s := New()
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var still, moving int
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rev := uint64(1)
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s.Add(Source{
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Revision: func() uint64 { return 7 },
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Append: func(dst []Diagnostic) []Diagnostic {
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still++
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return append(dst, Diagnostic{Owner: "still", Code: "A"})
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},
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})
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s.Add(Source{
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Revision: func() uint64 { return rev },
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Append: func(dst []Diagnostic) []Diagnostic {
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moving++
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return append(dst, Diagnostic{Owner: "moving", Code: "B"})
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},
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})
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for i := range 5 {
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rev = uint64(i + 2)
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if list, _ := s.Collect(); len(list) != 2 {
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t.Fatalf("collect %d: %d diagnostics, want 2", i, len(list))
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}
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}
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if still != 1 || moving != 5 {
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t.Fatalf("the unchanged source was asked %d times and the changing one %d, want 1 and 5", still, moving)
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}
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}
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