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restic/vendor/cloud.google.com/go/internal/optional/optional_test.go
2017-08-06 21:47:56 +02:00

64 lines
1.6 KiB
Go

// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package optional
import "testing"
func TestConvertSuccess(t *testing.T) {
if got, want := ToBool(false), false; got != want {
t.Errorf("got %v, want %v", got, want)
}
if got, want := ToString(""), ""; got != want {
t.Errorf("got %v, want %v", got, want)
}
if got, want := ToInt(0), 0; got != want {
t.Errorf("got %v, want %v", got, want)
}
if got, want := ToUint(uint(0)), uint(0); got != want {
t.Errorf("got %v, want %v", got, want)
}
if got, want := ToFloat64(0.0), 0.0; got != want {
t.Errorf("got %v, want %v", got, want)
}
}
func TestConvertFailure(t *testing.T) {
for _, f := range []func(){
func() { ToBool(nil) },
func() { ToBool(3) },
func() { ToString(nil) },
func() { ToString(3) },
func() { ToInt(nil) },
func() { ToInt("") },
func() { ToUint(nil) },
func() { ToUint("") },
func() { ToFloat64(nil) },
func() { ToFloat64("") },
} {
if !panics(f) {
t.Error("got no panic, want panic")
}
}
}
func panics(f func()) (b bool) {
defer func() {
if recover() != nil {
b = true
}
}()
f()
return false
}