f8aa7a1962
Performance update to appendJSONString so that it now checks if the input is a simple string that contains no json delimiters, control characters, or unicode. If simple then the operation is only three appends. [double-quote, string, double-quote]. If a non-simple character is encountered then all of the previous characters are appended and the operation falls back to the original method for the remaining characters. Before: BenchmarkLogEmpty-8 100000000 17.1 ns/op BenchmarkDisabled-8 500000000 4.12 ns/op BenchmarkInfo-8 20000000 101 ns/op BenchmarkContextFields-8 20000000 105 ns/op BenchmarkLogFields-8 5000000 281 ns/op After: BenchmarkLogEmpty-8 100000000 16.7 ns/op BenchmarkDisabled-8 500000000 3.79 ns/op BenchmarkInfo-8 30000000 44.8 ns/op BenchmarkContextFields-8 30000000 67.5 ns/op BenchmarkLogFields-8 10000000 197 ns/op
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package zerolog
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import "testing"
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func TestAppendJSONString(t *testing.T) {
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encodeStringTests := []struct {
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in string
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out string
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}{
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{"\\", `"\\"`},
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{"\x00", `"\u0000"`},
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{"\x01", `"\u0001"`},
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{"\x02", `"\u0002"`},
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{"\x03", `"\u0003"`},
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{"\x04", `"\u0004"`},
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{"\x05", `"\u0005"`},
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{"\x06", `"\u0006"`},
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{"\x07", `"\u0007"`},
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{"\x08", `"\b"`},
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{"\x09", `"\t"`},
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{"\x0a", `"\n"`},
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{"\x0b", `"\u000b"`},
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{"\x0c", `"\f"`},
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{"\x0d", `"\r"`},
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{"\x0e", `"\u000e"`},
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{"\x0f", `"\u000f"`},
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{"\x10", `"\u0010"`},
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{"\x11", `"\u0011"`},
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{"\x12", `"\u0012"`},
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{"\x13", `"\u0013"`},
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{"\x14", `"\u0014"`},
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{"\x15", `"\u0015"`},
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{"\x16", `"\u0016"`},
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{"\x17", `"\u0017"`},
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{"\x18", `"\u0018"`},
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{"\x19", `"\u0019"`},
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{"\x1a", `"\u001a"`},
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{"\x1b", `"\u001b"`},
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{"\x1c", `"\u001c"`},
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{"\x1d", `"\u001d"`},
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{"\x1e", `"\u001e"`},
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{"\x1f", `"\u001f"`},
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{"ascii", `"ascii"`},
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{"emoji \u2764\ufe0f!", `"emoji ❤️!"`},
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}
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for _, tt := range encodeStringTests {
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b := appendJSONString([]byte{}, tt.in)
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if got, want := string(b), tt.out; got != want {
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t.Errorf("appendJSONString(%q) = %#q, want %#q", tt.in, got, want)
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}
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}
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}
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