65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
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package world
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import (
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"runtime/debug"
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"testing"
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)
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func newPaletteWith(ids []BlockID) *SectionPalette {
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p := NewSectionPalette()
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for _, id := range ids {
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p.IndexFor(id)
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}
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return &p
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}
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func checkPaletteEqual(t *testing.T, p *SectionPalette, index PaletteIndex, expected BlockID) {
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if p.State(index) != expected {
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debug.PrintStack()
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t.Fatalf("Expected to get state %v at index %v, got %v", expected, index, p.State(index))
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}
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}
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func TestInsertPalette(t *testing.T) {
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p := NewSectionPalette()
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ids := []BlockID{Empty, Generic}
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for _, id := range ids {
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index := p.IndexFor(id)
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if id != p.State(index) {
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t.Fatalf("Fetching index for id %v: got index %v which returned %v", id, index, p.State(index))
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}
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}
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}
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func TestReplaceCompactPalettte(t *testing.T) {
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p := newPaletteWith([]BlockID{Empty, Generic})
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zeroIndex := p.IndexFor(Empty)
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checkPaletteEqual(t, p, zeroIndex, Empty)
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// Zero out the chunk
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genIndex := p.IndexFor(Generic)
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checkPaletteEqual(t, p, genIndex, Generic)
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p.ReplaceIndex(genIndex, Empty)
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// Check that everything now returns zero
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checkPaletteEqual(t, p, zeroIndex, Empty)
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checkPaletteEqual(t, p, genIndex, Empty)
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// Test for compaction
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wasCompacted := p.Compact()
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if !wasCompacted {
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t.Fatalf("Palette should have been compacted")
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}
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// Test to see that we don't compact again
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wasCompacted = p.Compact()
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if wasCompacted {
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t.Fatalf("Palette should have not been compacted again")
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}
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}
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