| // Copyright (C) 2016 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 fsm_test |
| |
| import ( |
| "fmt" |
| "testing" |
| |
| "android.googlesource.com/platform/tools/gpu/framework/assert" |
| "android.googlesource.com/platform/tools/gpu/framework/fsm" |
| ) |
| |
| func TestStructure(t *testing.T) { |
| const expect = ` |
| FSM ==> A |
| A => B |
| exit -> D |
| B |
| doa -> A (1 hook) |
| doc -> C |
| exit -> D |
| C |
| doa -> A (2 hooks) |
| exit -> D (1 hook) |
| D |
| exit -> D |
| ` |
| ctx := assert.Context(t) |
| compiled, err := fsm.Compile(fsm.FSM{ |
| States: []fsm.State{ |
| {Name: "A"}, |
| {Name: "B"}, |
| {Name: "C"}, |
| {Name: "D"}, |
| }, |
| Transitions: []fsm.Transition{ |
| {From: "A", To: "B"}, |
| {From: fsm.NoneOf("A", "D"), Event: "doa", To: "A"}, |
| {From: "B", Event: "doc", To: "C"}, |
| {Event: "exit", To: "D"}, |
| }, |
| Hooks: []fsm.Hook{ |
| {Event: "doa"}, |
| {From: "C"}, |
| }, |
| }) |
| assert.With(ctx).ThatError(err).Succeeded() |
| assert.With(ctx).That(fmt.Sprintf("\n%v", compiled)).Equals(expect) |
| } |
| |
| func TestMustCompileFailure(t *testing.T) { |
| ctx := assert.Context(t) |
| defer func() { |
| assert.With(ctx).ThatString(recover()).Equals("No states specified") |
| }() |
| fsm.MustCompile(fsm.FSM{}) |
| ctx.Error().Log("MustCompile failed to panic") |
| } |