83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package json
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import (
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"testing"
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"unicode"
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)
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func TestAppendBytes(t *testing.T) {
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for _, tt := range encodeStringTests {
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b := AppendBytes([]byte{}, []byte(tt.in))
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if got, want := string(b), tt.out; got != want {
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t.Errorf("appendBytes(%q) = %#q, want %#q", tt.in, got, want)
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}
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}
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}
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func TestAppendHex(t *testing.T) {
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for _, tt := range encodeHexTests {
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b := AppendHex([]byte{}, []byte{tt.in})
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if got, want := string(b), tt.out; got != want {
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t.Errorf("appendHex(%x) = %s, want %s", tt.in, got, want)
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}
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}
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}
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func TestStringBytes(t *testing.T) {
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t.Parallel()
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// Test that encodeState.stringBytes and encodeState.string use the same encoding.
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var r []rune
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for i := '\u0000'; i <= unicode.MaxRune; i++ {
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r = append(r, i)
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}
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s := string(r) + "\xff\xff\xffhello" // some invalid UTF-8 too
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enc := string(AppendString([]byte{}, s))
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encBytes := string(AppendBytes([]byte{}, []byte(s)))
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if enc != encBytes {
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i := 0
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for i < len(enc) && i < len(encBytes) && enc[i] == encBytes[i] {
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i++
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}
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enc = enc[i:]
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encBytes = encBytes[i:]
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i = 0
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for i < len(enc) && i < len(encBytes) && enc[len(enc)-i-1] == encBytes[len(encBytes)-i-1] {
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i++
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}
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enc = enc[:len(enc)-i]
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encBytes = encBytes[:len(encBytes)-i]
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if len(enc) > 20 {
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enc = enc[:20] + "..."
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}
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if len(encBytes) > 20 {
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encBytes = encBytes[:20] + "..."
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}
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t.Errorf("encodings differ at %#q vs %#q", enc, encBytes)
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}
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}
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func BenchmarkAppendBytes(b *testing.B) {
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tests := map[string]string{
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"NoEncoding": `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`,
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"EncodingFirst": `"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`,
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"EncodingMiddle": `aaaaaaaaaaaaaaaaaaaaaaaaa"aaaaaaaaaaaaaaaaaaaaaaaa`,
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"EncodingLast": `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"`,
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"MultiBytesFirst": `❤️aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`,
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"MultiBytesMiddle": `aaaaaaaaaaaaaaaaaaaaaaaaa❤️aaaaaaaaaaaaaaaaaaaaaaaa`,
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"MultiBytesLast": `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa❤️`,
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}
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for name, str := range tests {
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byt := []byte(str)
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b.Run(name, func(b *testing.B) {
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buf := make([]byte, 0, 100)
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for i := 0; i < b.N; i++ {
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_ = AppendBytes(buf, byt)
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}
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})
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}
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}
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