Function Example_mixed_writes

internal/buffer/buffer_test.go:500–1159

()

}

func Example_mixed_writes() {
	testCases := []struct {
		startMode, endMode OutputMode
	}{
		{UnsafeEscaped, SafeEscaped},
		{SafeEscaped, UnsafeEscaped},
		{UnsafeEscaped, SafeRaw},
		{SafeRaw, UnsafeEscaped},
		{SafeEscaped, SafeRaw},
		{SafeRaw, SafeEscaped},
	}

	doWritesFn := []func(*Buffer){
		// Noop
		func(b *Buffer) {},
		func(b *Buffer) { b.WriteByte('a') },
		func(b *Buffer) { b.WriteRune('a') },
		func(b *Buffer) { b.WriteString("bc") },
		func(b *Buffer) { b.Write([]byte("bc")) },
		func(b *Buffer) { b.WriteString("safe‹unsafe›") },
		func(b *Buffer) { b.WriteByte('\n') },
		func(b *Buffer) { b.WriteRune('\n') },
		func(b *Buffer) { b.WriteString("\nx\ny\n") },
		func(b *Buffer) { b.Write([]byte("\nx\ny\n")) },
	}

	for i, tc := range testCases {
		if i > 0 {
			fmt.Println()
		}
		fmt.Println(tc.startMode, " -> ", tc.endMode)
		for j, doWrites := range doWritesFn {
			var b Buffer
			b.SetMode(tc.startMode)
			doWrites(&b)
			for k, doWrites2 := range doWritesFn {
				copy := b.clone()
				copy.SetMode(tc.endMode)
				doWrites2(copy)
				var b2 Buffer
				b2.SetMode(tc.endMode)
				doWrites2(&b2)
				fmt.Printf("fn%d+fn%d: %q   (%q + %q)\n", j, k, copy.RedactableString(), b.RedactableString(), b2.RedactableString())
			}
		}
	}

	// Output:
	// 0  ->  1
	// fn0+fn0: ""   ("" + "")
	// fn0+fn1: "a"   ("" + "a")
	// fn0+fn2: "a"   ("" + "a")
	// fn0+fn3: "bc"   ("" + "bc")
	// fn0+fn4: "bc"   ("" + "bc")
	// fn0+fn5: "safe?unsafe?"   ("" + "safe?unsafe?")
	// fn0+fn6: "\n"   ("" + "\n")
	// fn0+fn7: "\n"   ("" + "\n")
	// fn0+fn8: "\nx\ny\n"   ("" + "\nx\ny\n")