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