1 files changed, 76 insertions, 0 deletions
diff --git a/javascript/videojs/test/unit/media-error.test.js b/javascript/videojs/test/unit/media-error.test.js
new file mode 100644
index 0000000..e15300a
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+++ b/javascript/videojs/test/unit/media-error.test.js
@@ -0,0 +1,76 @@
+/* eslint-env qunit */
+import window from 'global/window';
+import MediaError from '../../src/js/media-error';
+
+const isModernBrowser = window.MediaError && Object.create && Object.defineProperty;
+
+/**
+ * Creates a real native MediaError object.
+ *
+ * @param  {number} code
+ * @param  {string} [message]
+ * @return {MediaError}
+ */
+const createNativeMediaError = (code, message) => {
+  const err = Object.create(window.MediaError);
+
+  Object.defineProperty(err, 'code', {value: code});
+
+  if (message) {
+    err.message = message;
+  }
+
+  return err;
+};
+
+QUnit.module('MediaError');
+
+QUnit.test('can be constructed from a number', function(assert) {
+  const mediaError = new MediaError(1);
+
+  assert.strictEqual(mediaError.code, 1);
+  assert.strictEqual(mediaError.message, MediaError.defaultMessages['1']);
+});
+
+QUnit.test('can be constructed from a string', function(assert) {
+  const mediaError = new MediaError('hello, world');
+
+  assert.strictEqual(mediaError.code, 0);
+  assert.strictEqual(mediaError.message, 'hello, world');
+});
+
+QUnit.test('can be constructed from an object', function(assert) {
+  const mediaError = new MediaError({code: 2});
+  const mediaErrorMsg = new MediaError({
+    code: 2,
+    message: 'hello, world',
+    metadata: {
+      errorType: 'test-error'
+    }
+  });
+
+  assert.strictEqual(mediaError.code, 2);
+  assert.strictEqual(mediaError.message, MediaError.defaultMessages['2']);
+  assert.strictEqual(mediaErrorMsg.code, 2);
+  assert.strictEqual(mediaErrorMsg.message, 'hello, world');
+  assert.strictEqual(mediaErrorMsg.metadata.errorType, 'test-error');
+});
+
+if (isModernBrowser) {
+  QUnit.test('can be constructed from a native MediaError object', function(assert) {
+    const mediaError = new MediaError(createNativeMediaError(3));
+    const mediaErrorMsg = new MediaError(createNativeMediaError(4, 'hello, world'));
+
+    assert.strictEqual(mediaError.code, 3);
+    assert.strictEqual(mediaError.message, MediaError.defaultMessages['3']);
+    assert.strictEqual(mediaErrorMsg.code, 4);
+    assert.strictEqual(mediaErrorMsg.message, 'hello, world');
+  });
+}
+
+QUnit.test('can be constructed redundantly', function(assert) {
+  const mediaError = new MediaError(2);
+  const redundantMediaError = new MediaError(mediaError);
+
+  assert.strictEqual(redundantMediaError, mediaError);
+});