Adding mapbox-gl branch

mapbox-gl/closure-library/closure/goog/async/conditionaldelay_test.js

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+// Copyright 2008 The Closure Library Authors. 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.
+goog.provide('goog.async.ConditionalDelayTest');
+goog.setTestOnly('goog.async.ConditionalDelayTest');
+
+goog.require('goog.async.ConditionalDelay');
+goog.require('goog.testing.MockClock');
+goog.require('goog.testing.jsunit');
+
+var invoked = false;
+var delay = null;
+var clock = null;
+var returnValue = true;
+var onSuccessCalled = false;
+var onFailureCalled = false;
+
+
+function callback() {
+  invoked = true;
+  return returnValue;
+}
+
+
+function setUp() {
+  clock = new goog.testing.MockClock(true);
+  invoked = false;
+  returnValue = true;
+  onSuccessCalled = false;
+  onFailureCalled = false;
+  delay = new goog.async.ConditionalDelay(callback);
+  delay.onSuccess = function() {
+    onSuccessCalled = true;
+  };
+  delay.onFailure = function() {
+    onFailureCalled = true;
+  };
+}
+
+
+function tearDown() {
+  clock.dispose();
+  delay.dispose();
+}
+
+
+function testDelay() {
+  delay.start(200, 200);
+  assertFalse(invoked);
+
+  clock.tick(100);
+  assertFalse(invoked);
+
+  clock.tick(100);
+  assertTrue(invoked);
+}
+
+
+function testStop() {
+  delay.start(200, 500);
+  assertTrue(delay.isActive());
+
+  clock.tick(100);
+  assertFalse(invoked);
+
+  delay.stop();
+  clock.tick(100);
+  assertFalse(invoked);
+
+  assertFalse(delay.isActive());
+}
+
+
+function testIsActive() {
+  assertFalse(delay.isActive());
+  delay.start(200, 200);
+  assertTrue(delay.isActive());
+  clock.tick(200);
+  assertFalse(delay.isActive());
+}
+
+
+function testRestart() {
+  delay.start(200, 50000);
+  clock.tick(100);
+
+  delay.stop();
+  assertFalse(invoked);
+
+  delay.start(200, 50000);
+  clock.tick(199);
+  assertFalse(invoked);
+
+  clock.tick(1);
+  assertTrue(invoked);
+
+  invoked = false;
+  delay.start(200, 200);
+  clock.tick(200);
+  assertTrue(invoked);
+
+  assertFalse(delay.isActive());
+}
+
+
+function testDispose() {
+  delay.start(200, 200);
+  delay.dispose();
+  assertTrue(delay.isDisposed());
+
+  clock.tick(500);
+  assertFalse(invoked);
+}
+
+
+function testConditionalDelay_Success() {
+  returnValue = false;
+  delay.start(100, 300);
+
+  clock.tick(99);
+  assertFalse(invoked);
+  clock.tick(1);
+  assertTrue(invoked);
+
+  assertTrue(delay.isActive());
+  assertFalse(delay.isDone());
+  assertFalse(onSuccessCalled);
+  assertFalse(onFailureCalled);
+
+  returnValue = true;
+
+  invoked = false;
+  clock.tick(100);
+  assertTrue(invoked);
+
+  assertFalse(delay.isActive());
+  assertTrue(delay.isDone());
+  assertTrue(onSuccessCalled);
+  assertFalse(onFailureCalled);
+
+  invoked = false;
+  clock.tick(200);
+  assertFalse(invoked);
+}
+
+
+function testConditionalDelay_Failure() {
+  returnValue = false;
+  delay.start(100, 300);
+
+  clock.tick(99);
+  assertFalse(invoked);
+  clock.tick(1);
+  assertTrue(invoked);
+
+  assertTrue(delay.isActive());
+  assertFalse(delay.isDone());
+  assertFalse(onSuccessCalled);
+  assertFalse(onFailureCalled);
+
+  invoked = false;
+  clock.tick(100);
+  assertTrue(invoked);
+  assertFalse(onSuccessCalled);
+  assertFalse(onFailureCalled);
+
+  invoked = false;
+  clock.tick(90);
+  assertFalse(invoked);
+  clock.tick(10);
+  assertTrue(invoked);
+
+  assertFalse(delay.isActive());
+  assertFalse(delay.isDone());
+  assertFalse(onSuccessCalled);
+  assertTrue(onFailureCalled);
+}
+
+
+function testInfiniteDelay() {
+  returnValue = false;
+  delay.start(100, -1);
+
+  // Test in a big enough loop.
+  for (var i = 0; i < 1000; ++i) {
+    clock.tick(80);
+    assertTrue(delay.isActive());
+    assertFalse(delay.isDone());
+    assertFalse(onSuccessCalled);
+    assertFalse(onFailureCalled);
+  }
+
+  delay.stop();
+  assertFalse(delay.isActive());
+  assertFalse(delay.isDone());
+  assertFalse(onSuccessCalled);
+  assertFalse(onFailureCalled);
+}
+
+function testCallbackScope() {
+  var callbackCalled = false;
+  var scopeObject = {};
+  function internalCallback() {
+    assertEquals(this, scopeObject);
+    callbackCalled = true;
+    return true;
+  }
+  delay = new goog.async.ConditionalDelay(internalCallback, scopeObject);
+  delay.start(200, 200);
+  clock.tick(201);
+  assertTrue(callbackCalled);
+}