pointer/pointer_test.go at master · mc2soft/pointer · GitHub

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package pointer

import (
	"encoding/json"
	"fmt"
	"testing"
	"time"
)

func TestBool(t *testing.T) {
	var x bool
	if *ToBool(x) != x {
		t.Fail()
	}
}

func TestByte(t *testing.T) {
	var x byte
	if *ToByte(x) != x {
		t.Fail()
	}
}

func TestComplex128(t *testing.T) {
	var x complex128
	if *ToComplex128(x) != x {
		t.Fail()
	}
}

func TestComplex64(t *testing.T) {
	var x complex64
	if *ToComplex64(x) != x {
		t.Fail()
	}
}

func TestDuration(t *testing.T) {
	var x time.Duration
	if *ToDuration(x) != x {
		t.Fail()
	}
}

func TestError(t *testing.T) {
	var x error
	if *ToError(x) != x {
		t.Fail()
	}
}

func TestFloat32(t *testing.T) {
	var x float32
	if *ToFloat32(x) != x {
		t.Fail()
	}
}

func TestFloat64(t *testing.T) {
	var x float64
	if *ToFloat64(x) != x {
		t.Fail()
	}
}

func TestInt(t *testing.T) {
	var x int
	if *ToInt(x) != x {
		t.Fail()
	}
}

func TestInt16(t *testing.T) {
	var x int16
	if *ToInt16(x) != x {
		t.Fail()
	}
}

func TestInt32(t *testing.T) {
	var x int32
	if *ToInt32(x) != x {
		t.Fail()
	}
}

func TestInt64(t *testing.T) {
	var x int64
	if *ToInt64(x) != x {
		t.Fail()
	}
}

func TestInt8(t *testing.T) {
	var x int8
	if *ToInt8(x) != x {
		t.Fail()
	}
}

func TestRune(t *testing.T) {
	var x rune
	if *ToRune(x) != x {
		t.Fail()
	}
}

func TestString(t *testing.T) {
	var x string
	if *ToString(x) != x {
		t.Fail()
	}
}

func TestTime(t *testing.T) {
	var x time.Time
	if *ToTime(x) != x {
		t.Fail()
	}
}

func TestUint(t *testing.T) {
	var x uint
	if *ToUint(x) != x {
		t.Fail()
	}
}

func TestUint16(t *testing.T) {
	var x uint16
	if *ToUint16(x) != x {
		t.Fail()
	}
}

func TestUint32(t *testing.T) {
	var x uint32
	if *ToUint32(x) != x {
		t.Fail()
	}
}

func TestUint64(t *testing.T) {
	var x uint64
	if *ToUint64(x) != x {
		t.Fail()
	}
}

func TestUint8(t *testing.T) {
	var x uint8
	if *ToUint8(x) != x {
		t.Fail()
	}
}

func TestUintptr(t *testing.T) {
	var x uintptr
	if *ToUintptr(x) != x {
		t.Fail()
	}
}

func Example() {
	const (
		defaultName = "some name"
	)

	// Stuff contains optional fields.
	type Stuff struct {
		Name    *string
		Comment *string
		Value   *int64
		Time    *time.Time
	}

	b, _ := json.Marshal(&Stuff{
		Name:    ToString(defaultName),                                   // can't say &defaultName
		Comment: ToString("not yet"),                                     // can't say &"not yet"
		Value:   ToInt64(42),                                             // can't say &42 or &int64(42)
		Time:    ToTime(time.Date(2014, 6, 25, 12, 24, 40, 0, time.UTC)), // can't say &time.Date(…)
	})

	fmt.Printf("%s", b)

	// Output: {"Name":"some name","Comment":"not yet","Value":42,"Time":"2014-06-25T12:24:40Z"}
}