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5dd81430b7
The global pattern table is constructed only during compilation. At this point, we can do also all sorts of optimizations / changes e.g. remove unnecessary releases and reuse patterns if there's a pattern already that could be used.
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
package compiler_test
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import (
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"reflect"
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"testing"
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"github.com/vsariola/sointu"
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"github.com/vsariola/sointu/compiler"
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)
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func TestPatternReusing(t *testing.T) {
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song := sointu.Song{
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Hold: 1,
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Tracks: []sointu.Track{{
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}},
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Sequence: []byte{0, 1},
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}, {
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}},
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Sequence: []byte{0, 1},
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}},
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}
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encodedSong, err := compiler.EncodeSong(&song)
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if err != nil {
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t.Fatalf("song encoding error: %v", err)
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}
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expected := compiler.EncodedSong{
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Sequences: [][]byte{{0, 1}, {0, 2}},
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}},
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}
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if !reflect.DeepEqual(*encodedSong, expected) {
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t.Fatalf("got different EncodedSong than expected. got: %v expected: %v", *encodedSong, expected)
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}
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}
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func TestUnnecessaryHolds(t *testing.T) {
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song := sointu.Song{
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Hold: 1,
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Tracks: []sointu.Track{{
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Patterns: [][]byte{{64, 1, 1, 1, 0, 1, 0, 0}, {72, 0, 1, 0, 1, 0, 0, 0}},
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Sequence: []byte{0, 1},
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}, {
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 1, 0}, {84, 0, 0, 0, 1, 1, 0, 0}},
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Sequence: []byte{0, 1},
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}},
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}
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encodedSong, err := compiler.EncodeSong(&song)
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if err != nil {
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t.Fatalf("song encoding error: %v", err)
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}
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expected := compiler.EncodedSong{
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Sequences: [][]byte{{0, 1}, {0, 2}},
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}},
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}
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if !reflect.DeepEqual(*encodedSong, expected) {
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t.Fatalf("got different EncodedSong than expected. got: %v expected: %v", *encodedSong, expected)
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}
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}
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func TestDontCares(t *testing.T) {
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song := sointu.Song{
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Hold: 1,
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Tracks: []sointu.Track{{
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0}},
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Sequence: []byte{0, 1},
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}, {
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Patterns: [][]byte{{64, 1, 1, 1, 1, 1, 1, 1}, {1, 1, 1, 0, 0, 0, 0, 0}},
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Sequence: []byte{0, 1},
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}},
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}
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encodedSong, err := compiler.EncodeSong(&song)
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if err != nil {
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t.Fatalf("song encoding error: %v", err)
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}
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expected := compiler.EncodedSong{
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Sequences: [][]byte{{0, 1}, {2, 1}},
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Patterns: [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {1, 1, 1, 0, 0, 0, 0, 0}, {64, 1, 1, 1, 1, 1, 1, 1}},
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}
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if !reflect.DeepEqual(*encodedSong, expected) {
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t.Fatalf("got different EncodedSong than expected. got: %v expected: %v", *encodedSong, expected)
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}
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}
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