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package assert
import (
"errors"
"reflect"
"testing"
)
func TestNoError(t *testing.T) {
check(t, false, func(t testing.TB) { NoError(t, nil) })
check(t, true, func(t testing.TB) { NoError(t, errors.New("some error")) })
}
func TestError(t *testing.T) {
check(t, true, func(t testing.TB) { Error(t, nil) })
check(t, false, func(t testing.TB) { Error(t, errors.New("some error")) })
}
func TestEqual(t *testing.T) {
check(t, false, func(t testing.TB) { Equal(t, nil, nil) })
check(t, true, func(t testing.TB) { Equal(t, nil, 0) })
check(t, true, func(t testing.TB) { Equal(t, 0, nil) })
numericTypes := []reflect.Type{
reflect.TypeOf(int(0)), reflect.TypeOf(uint(0)),
reflect.TypeOf(int8(0)), reflect.TypeOf(uint8(0)),
reflect.TypeOf(int16(0)), reflect.TypeOf(uint16(0)),
reflect.TypeOf(int32(0)), reflect.TypeOf(uint32(0)),
reflect.TypeOf(int64(0)), reflect.TypeOf(uint64(0)),
}
for _, t1 := range numericTypes {
for _, t2 := range numericTypes {
v1 := reflect.New(t1).Elem().Interface()
v2 := reflect.New(t2).Elem().Interface()
check(t, false, func(t testing.TB) { Equal(t, v1, v2) })
}
}
type (
b bool
s string
f32 float32
f64 float64
c64 complex64
c128 complex128
)
check(t, false, func(t testing.TB) { Equal(t, b(true), true) })
check(t, true, func(t testing.TB) { Equal(t, b(false), true) })
check(t, false, func(t testing.TB) { Equal(t, s("hi"), "hi") })
check(t, true, func(t testing.TB) { Equal(t, s("hi"), "he") })
check(t, false, func(t testing.TB) { Equal(t, f32(1.0), 1.0) })
check(t, false, func(t testing.TB) { Equal(t, f64(1.0), 1.0) })
check(t, false, func(t testing.TB) { Equal(t, f32(1.0), f64(1.0)) })
check(t, true, func(t testing.TB) { Equal(t, f32(1.0), 0.0) })
check(t, true, func(t testing.TB) { Equal(t, f64(1.0), 0.0) })
check(t, true, func(t testing.TB) { Equal(t, f32(1.0), f64(0.0)) })
check(t, false, func(t testing.TB) { Equal(t, c64(1.0+1.0i), 1.0+1.0i) })
check(t, false, func(t testing.TB) { Equal(t, c128(1.0+1.0i), 1.0+1.0i) })
check(t, false, func(t testing.TB) { Equal(t, c64(1.0+1.0i), c128(1.0+1.0i)) })
check(t, true, func(t testing.TB) { Equal(t, c64(1.0+1.0i), 1.0) })
check(t, true, func(t testing.TB) { Equal(t, c128(1.0+1.0i), 1.0) })
check(t, true, func(t testing.TB) { Equal(t, c64(1.0+1.0i), c128(1.0)) })
check(t, false, func(t testing.TB) { Equal(t, []byte("hi"), []byte("hi")) })
check(t, true, func(t testing.TB) { Equal(t, []byte("hi"), []byte("he")) })
}
func TestDeepEqual(t *testing.T) {
check(t, false, func(t testing.TB) { DeepEqual(t, []byte("hi"), []byte("hi")) })
check(t, true, func(t testing.TB) { DeepEqual(t, []byte("hi"), []byte("he")) })
check(t, true, func(t testing.TB) { DeepEqual(t, int(1), uint(1)) })
}
func TestThat(t *testing.T) {
check(t, false, func(t testing.TB) { That(t, true) })
check(t, true, func(t testing.TB) { That(t, false) })
}
func TestTrue(t *testing.T) {
check(t, false, func(t testing.TB) { True(t, true) })
check(t, true, func(t testing.TB) { True(t, false) })
}
func TestFalse(t *testing.T) {
check(t, false, func(t testing.TB) { False(t, false) })
check(t, true, func(t testing.TB) { False(t, true) })
}
func TestNil(t *testing.T) {
check(t, false, func(t testing.TB) { Nil(t, nil) })
check(t, false, func(t testing.TB) { Nil(t, (*int)(nil)) })
check(t, true, func(t testing.TB) { Nil(t, new(int)) })
check(t, true, func(t testing.TB) { Nil(t, 1) })
}
func TestNotNil(t *testing.T) {
check(t, true, func(t testing.TB) { NotNil(t, nil) })
check(t, true, func(t testing.TB) { NotNil(t, (*int)(nil)) })
check(t, false, func(t testing.TB) { NotNil(t, new(int)) })
check(t, false, func(t testing.TB) { NotNil(t, 1) })
}
//
// helpers
//
var sentinel = new(byte)
type recordingTB struct {
testing.TB // must embed in order to implement
failed bool
}
func (tb *recordingTB) Fatal(args ...interface{}) {
tb.failed = true
panic(sentinel)
}
func (tb *recordingTB) Fatalf(format string, args ...interface{}) {
tb.failed = true
panic(sentinel)
}
func (tb *recordingTB) Helper() {}
func check(t testing.TB, failed bool, fn func(t testing.TB)) {
rec := new(recordingTB)
func() {
defer func() {
if rec := recover(); rec != nil && rec != sentinel {
panic(rec)
}
}()
fn(rec)
}()
if rec.failed != failed {
t.Helper()
t.Fatal("failed does not match")
}
}
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