| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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 task |
| |
| import "testing" |
| |
| type runnable struct { |
| out chan<- int |
| } |
| |
| func (r runnable) Run(c CancelSignal) { |
| defer close(r.out) |
| r.out <- 0 |
| c.Check() |
| r.out <- 1 |
| c.Check() |
| r.out <- 2 |
| c.Check() |
| r.out <- 3 |
| } |
| |
| func TestRun(t *testing.T) { |
| for i, test := range []struct { |
| expected []int |
| cancelAt int |
| }{ |
| { |
| expected: []int{0, 1, 0}, |
| cancelAt: 1, |
| }, { |
| expected: []int{0, 1, 2, 0}, |
| cancelAt: 2, |
| }, { |
| expected: []int{0, 1, 2, 3, 0}, |
| cancelAt: 3, |
| }, { |
| expected: []int{0, 1, 2, 3, 0}, |
| cancelAt: 99, |
| }, |
| } { |
| out := make(chan int) |
| task := New() |
| task.Run(runnable{out: out}) |
| for j, expected := range test.expected { |
| if j == test.cancelAt { |
| task.Cancel() |
| } |
| got := <-out |
| if expected != got { |
| t.Errorf("(%d.%d) Expected %d, got %d", i, j, expected, got) |
| } |
| if got == 0 { |
| break |
| } |
| } |
| } |
| } |