Test IE9 by mocking window globals

test/jasmine/assets/ie9_mock.js

@@ -0,0 +1,8 @@
+delete window.Promise;
+
+delete window.ArrayBuffer;
+delete window.Uint8Array;
+delete window.Float32Array;
+delete window.Float64Array;
+delete window.Int16Array;
+delete window.Int32Array;

test/jasmine/bundle_tests/ie9_test.js

@@ -0,0 +1,42 @@
+var Plotly = require('@lib/core');
+
+Plotly.register([
+    require('@lib/bar'),
+    require('@lib/box'),
+    require('@lib/heatmap'),
+    require('@lib/histogram'),
+    require('@lib/histogram2d'),
+    require('@lib/histogram2dcontour'),
+    require('@lib/pie'),
+    require('@lib/contour'),
+    require('@lib/scatterternary'),
+    require('@lib/ohlc'),
+    require('@lib/candlestick')
+]);
+
+var createGraphDiv = require('../assets/create_graph_div');
+var destroyGraphDiv = require('../assets/destroy_graph_div');
+
+describe('Bundle with IE9 supported trace types:', function() {
+
+    afterEach(destroyGraphDiv);
+
+    it(' check that ie9_mock.js did its job', function() {
+        expect(function() { return ArrayBuffer; })
+            .toThrow(new ReferenceError('ArrayBuffer is not defined'));
+        expect(function() { return Uint8Array; })
+            .toThrow(new ReferenceError('Uint8Array is not defined'));
+    });
+
+    it('heatmaps with smoothing should work', function(done) {
+        var gd = createGraphDiv();
+        var data = [{
+            type: 'heatmap',
+            z: [[1, 2, 3], [2, 1, 2]],
+            zsmooth: 'best'
+        }];
+
+        Plotly.plot(gd, data).then(done);
+    });
+
+});

test/jasmine/karma.conf.js

@@ -20,6 +20,7 @@ var arg = process.argv[4];
 var testFileGlob = arg ? arg : 'tests/*_test.js';
 var isSingleSuiteRun = (arg && arg.indexOf('bundle_tests/') === -1);
 var isRequireJSTest = (arg && arg.indexOf('bundle_tests/requirejs') !== -1);
+var isIE9Test = (arg && arg.indexOf('bundle_tests/ie9') !== -1);
 
 var pathToMain = '../../lib/index.js';
 var pathToJQuery = 'assets/jquery-1.8.3.min.js';
@@ -127,6 +128,18 @@ else if(isRequireJSTest) {
         testFileGlob
     ];
 }
+else if(isIE9Test) {
+    // load ie9_mock.js before plotly.js+test bundle
+    // to catch reference errors that could occur
+    // when plotly.js is first loaded.
+
+    func.defaultConfig.files = [
+        './assets/ie9_mock.js',
+        testFileGlob
+    ];
+
+    func.defaultConfig.preprocessors[testFileGlob] = ['browserify'];
+}
 else {
     func.defaultConfig.files = [
         pathToJQuery,