Adding mapbox-gl branch

mapbox-gl/closure-library/closure/goog/math/paths_test.js

@@ -0,0 +1,50 @@
+// Copyright 2006 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.
+
+/**
+ * @fileoverview Unit tests for goog.math.paths.
+ */
+
+goog.provide('goog.math.pathsTest');
+
+goog.require('goog.math.Coordinate');
+goog.require('goog.math.paths');
+goog.require('goog.testing.jsunit');
+
+goog.setTestOnly('goog.math.pathsTest');
+
+
+var regularNGon = goog.math.paths.createRegularNGon;
+var arrow = goog.math.paths.createArrow;
+
+function testSquare() {
+  var square = regularNGon(
+      $coord(10, 10), $coord(0, 10), 4);
+  assertArrayRoughlyEquals(
+      [0, 10, 10, 0, 20, 10, 10, 20], square.arguments_, 0.05);
+}
+
+function assertArrayRoughlyEquals(expected, actual, delta) {
+  var message = 'Expected: ' + expected + ', Actual: ' + actual;
+  assertEquals('Wrong length. ' + message, expected.length, actual.length);
+  for (var i = 0; i < expected.length; i++) {
+    assertRoughlyEquals(
+        'Wrong item at ' + i + '. ' + message,
+        expected[i], actual[i], delta);
+  }
+}
+
+function $coord(x, y) {
+  return new goog.math.Coordinate(x, y);
+}