diff options
Diffstat (limited to 'dom/base/test/unit/test_js_dev_error_interceptor.js')
-rw-r--r-- | dom/base/test/unit/test_js_dev_error_interceptor.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/dom/base/test/unit/test_js_dev_error_interceptor.js b/dom/base/test/unit/test_js_dev_error_interceptor.js new file mode 100644 index 0000000000..8ccc0dcaf8 --- /dev/null +++ b/dom/base/test/unit/test_js_dev_error_interceptor.js @@ -0,0 +1,53 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +function errors() { + return [ + // The following two errors MUST NOT be captured. + new Error("This is an error: " + Math.random()), + new RangeError("This is a RangeError: " + Math.random()), + new TypeError("This is a TypeError: " + Math.random()), + "This is a string: " + Math.random(), + null, + undefined, + Math.random(), + {}, + + // The following errors MUST be captured. + new SyntaxError("This is a SyntaxError: " + Math.random()), + new ReferenceError("This is a ReferenceError: " + Math.random()), + ]; +} + +function isDeveloperError(e) { + if (e == null || typeof e != "object") { + return false; + } + + return e.constructor == SyntaxError || e.constructor == ReferenceError; +} + +function run_test() { + ChromeUtils.clearRecentJSDevError(); + Assert.equal(ChromeUtils.recentJSDevError, undefined); + + for (let exn of errors()) { + ChromeUtils.clearRecentJSDevError(); + try { + throw exn; + } catch (e) { + // Discard error. + } + if (isDeveloperError(exn)) { + Assert.equal(ChromeUtils.recentJSDevError.message, "" + exn); + } else { + Assert.equal(ChromeUtils.recentJSDevError, undefined); + } + ChromeUtils.clearRecentJSDevError(); + Assert.equal(ChromeUtils.recentJSDevError, undefined); + } +} |