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disposable_test.go
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disposable_test.go
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/*
* Copyright 2016 Fabrício Godoy
*
* 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 dot
import (
"testing"
)
type Foo struct {
Number int
}
func (f *Foo) Dispose() {
f.Number = 0
}
func TestExecutionBlock(t *testing.T) {
val := &Foo{50}
Using(val, func(v Disposable) {
vFoo := v.(*Foo)
if vFoo.Number != 50 {
t.Errorf("The number should be '%d' but got '%d'",
50, vFoo.Number)
}
})
if val.Number != 0 {
t.Errorf("The type was not disposed. Expected '%d' got '%d'",
0, val.Number)
}
}
func TestNestedExecutionBlock(t *testing.T) {
val1 := &Foo{50}
val2 := &Foo{40}
val3 := &Foo{30}
Using(val1, func(v1 Disposable) {
v1Foo := v1.(*Foo)
Using(val2, func(v2 Disposable) {
v2Foo := v2.(*Foo)
Using(val3, func(v3 Disposable) {
v3Foo := v3.(*Foo)
if v1Foo.Number != 50 {
t.Errorf("The number should be '%d' but got '%d'",
50, v1Foo.Number)
}
if v2Foo.Number != 40 {
t.Errorf("The number should be '%d' but got '%d'",
30, v2Foo.Number)
}
if v3Foo.Number != 30 {
t.Errorf("The number should be '%d' but got '%d'",
30, v3Foo.Number)
}
})
})
})
if val1.Number != 0 {
t.Errorf("The type was not disposed. Expected '%d' got '%d'",
0, val1.Number)
}
if val2.Number != 0 {
t.Errorf("The type was not disposed. Expected '%d' got '%d'",
0, val2.Number)
}
if val3.Number != 0 {
t.Errorf("The type was not disposed. Expected '%d' got '%d'",
0, val3.Number)
}
}