1 files changed, 139 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-traceback.js b/addon-sdk/source/test/test-traceback.js
new file mode 100644
index 000000000..e6548b94e
--- /dev/null
+++ b/addon-sdk/source/test/test-traceback.js
@@ -0,0 +1,139 @@
+/* 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";
+
+var traceback = require("sdk/console/traceback");
+var {Cc,Ci,Cr,Cu} = require("chrome");
+const { on, off } = require("sdk/system/events");
+
+function throwNsIException() {
+  var ios = Cc['@mozilla.org/network/io-service;1']
+            .getService(Ci.nsIIOService);
+  ios.newURI("i'm a malformed URI", null, null);
+}
+
+function throwError() {
+  throw new Error("foob");
+}
+
+exports.testFormatDoesNotFetchRemoteFiles = function(assert) {
+  ["http", "https"].forEach(
+    function(scheme) {
+      var httpRequests = 0;
+      function onHttp() {
+        httpRequests++;
+      }
+
+      on("http-on-modify-request", onHttp);
+
+      try {
+        var tb = [{filename: scheme + "://www.mozilla.org/",
+                   lineNumber: 1,
+                   name: "blah"}];
+        traceback.format(tb);
+      } catch (e) {
+        assert.fail(e);
+      }
+
+      off("http-on-modify-request", onHttp);
+
+      assert.equal(httpRequests, 0,
+                       "traceback.format() does not make " +
+                       scheme + " request");
+    });
+};
+
+exports.testFromExceptionWithString = function(assert) {
+  try {
+    throw "foob";
+    assert.fail("an exception should've been thrown");
+  } catch (e) {
+    if (e == "foob") {
+      var tb = traceback.fromException(e);
+      assert.equal(tb.length, 0);
+    }
+    else {
+      throw e;
+    }
+  }
+};
+
+exports.testFormatWithString = function(assert) {
+  // This can happen if e.g. a thrown exception was
+  // a string instead of an Error instance.
+  assert.equal(traceback.format("blah"),
+		   "Traceback (most recent call last):");
+};
+
+exports.testFromExceptionWithError = function(assert) {
+  try {
+    throwError();
+    assert.fail("an exception should've been thrown");
+  } catch (e) {
+    if (e instanceof Error) {
+      var tb = traceback.fromException(e);
+
+      var xulApp = require("sdk/system/xul-app");
+      assert.equal(tb.slice(-1)[0].name, "throwError");
+    }
+    else {
+      throw e;
+    }
+  }
+};
+
+exports.testFromExceptionWithNsIException = function(assert) {
+  try {
+    throwNsIException();
+    assert.fail("an exception should've been thrown");
+  } catch (e) {
+    if (e.result == Cr.NS_ERROR_MALFORMED_URI) {
+      var tb = traceback.fromException(e);
+      assert.equal(tb[tb.length - 1].name, "throwNsIException");
+    }
+    else {
+      throw e;
+    }
+  }
+};
+
+exports.testFormat = function(assert) {
+  function getTraceback() {
+    return traceback.format();
+  }
+
+  var formatted = getTraceback();
+  assert.equal(typeof(formatted), "string");
+  var lines = formatted.split("\n");
+
+  assert.equal(lines[lines.length - 2].indexOf("getTraceback") > 0,
+                   true,
+                   "formatted traceback should include function name");
+
+  assert.equal(lines[lines.length - 1].trim(),
+                   "return traceback.format();",
+                   "formatted traceback should include source code");
+};
+
+exports.testExceptionsWithEmptyStacksAreLogged = function(assert) {
+  // Ensures that our fix to bug 550368 works.
+  var sandbox = Cu.Sandbox("http://www.foo.com");
+  var excRaised = false;
+  try {
+    Cu.evalInSandbox("returns 1 + 2;", sandbox, "1.8",
+                     "blah.js", 25);
+  } catch (e) {
+    excRaised = true;
+    var stack = traceback.fromException(e);
+    assert.equal(stack.length, 1, "stack should have one frame");
+
+    assert.ok(stack[0].fileName, "blah.js", "frame should have filename");
+    assert.ok(stack[0].lineNumber, 25, "frame should have line no");
+    assert.equal(stack[0].name, null, "frame should have null function name");
+  }
+  if (!excRaised)
+    assert.fail("Exception should have been raised.");
+};
+
+require('sdk/test').run(exports);