62 строки
2.1 KiB
Go
62 строки
2.1 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fmt_test
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import (
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. "fmt"
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"testing"
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)
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type TI int
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type TI8 int8
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type TI16 int16
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type TI32 int32
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type TI64 int64
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type TU uint
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type TU8 uint8
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type TU16 uint16
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type TU32 uint32
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type TU64 uint64
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type TUI uintptr
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type TF float64
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type TF32 float32
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type TF64 float64
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type TB bool
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type TS string
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func (v TI) String() string { return Sprintf("I: %d", int(v)) }
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func (v TI8) String() string { return Sprintf("I8: %d", int8(v)) }
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func (v TI16) String() string { return Sprintf("I16: %d", int16(v)) }
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func (v TI32) String() string { return Sprintf("I32: %d", int32(v)) }
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func (v TI64) String() string { return Sprintf("I64: %d", int64(v)) }
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func (v TU) String() string { return Sprintf("U: %d", uint(v)) }
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func (v TU8) String() string { return Sprintf("U8: %d", uint8(v)) }
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func (v TU16) String() string { return Sprintf("U16: %d", uint16(v)) }
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func (v TU32) String() string { return Sprintf("U32: %d", uint32(v)) }
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func (v TU64) String() string { return Sprintf("U64: %d", uint64(v)) }
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func (v TUI) String() string { return Sprintf("UI: %d", uintptr(v)) }
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func (v TF) String() string { return Sprintf("F: %f", float64(v)) }
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func (v TF32) String() string { return Sprintf("F32: %f", float32(v)) }
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func (v TF64) String() string { return Sprintf("F64: %f", float64(v)) }
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func (v TB) String() string { return Sprintf("B: %t", bool(v)) }
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func (v TS) String() string { return Sprintf("S: %q", string(v)) }
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func check(t *testing.T, got, want string) {
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if got != want {
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t.Error(got, "!=", want)
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}
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}
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func TestStringer(t *testing.T) {
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s := Sprintf("%v %v %v %v %v", TI(0), TI8(1), TI16(2), TI32(3), TI64(4))
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check(t, s, "I: 0 I8: 1 I16: 2 I32: 3 I64: 4")
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s = Sprintf("%v %v %v %v %v %v", TU(5), TU8(6), TU16(7), TU32(8), TU64(9), TUI(10))
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check(t, s, "U: 5 U8: 6 U16: 7 U32: 8 U64: 9 UI: 10")
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s = Sprintf("%v %v %v", TF(1.0), TF32(2.0), TF64(3.0))
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check(t, s, "F: 1.000000 F32: 2.000000 F64: 3.000000")
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s = Sprintf("%v %v", TB(true), TS("x"))
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check(t, s, "B: true S: \"x\"")
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}
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