1 files changed, 99 insertions, 0 deletions
diff --git a/js/src/jit-test/lib/asserts.js b/js/src/jit-test/lib/asserts.js
new file mode 100644
index 000000000..119d5bd0f
--- /dev/null
+++ b/js/src/jit-test/lib/asserts.js
@@ -0,0 +1,99 @@
+/* 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/. */
+
+
+load(libdir + "../../tests/ecma_6/shell.js");
+
+if (typeof assertWarning === 'undefined') {
+    var assertWarning = function assertWarning(f, errorClass, msg) {
+        var hadWerror = options().split(",").indexOf("werror") !== -1;
+
+        // Ensure the "werror" option is disabled.
+        if (hadWerror)
+            options("werror");
+
+        try {
+            f();
+        } catch (exc) {
+            if (hadWerror)
+                options("werror");
+
+            // print() rather than throw a different exception value, in case
+            // the caller wants exc.stack.
+            if (msg)
+                print("assertWarning: " + msg);
+            print("assertWarning: Unexpected exception calling " + f +
+                  " with warnings-as-errors disabled");
+            throw exc;
+        }
+
+        // Enable the "werror" option.
+        options("werror");
+
+        try {
+            assertThrowsInstanceOf(f, errorClass, msg);
+        } catch (exc) {
+            if (msg)
+                print("assertWarning: " + msg);
+            throw exc;
+        } finally {
+            if (!hadWerror)
+                options("werror");
+        }
+    };
+}
+
+if (typeof assertNoWarning === 'undefined') {
+    var assertNoWarning = function assertWarning(f, msg) {
+        // Ensure the "werror" option is enabled.
+        var hadWerror = options().split(",").indexOf("werror") !== -1;
+        if (!hadWerror)
+            options("werror");
+
+        try {
+            f();
+        } catch (exc) {
+            if (msg)
+                print("assertNoWarning: " + msg);
+            print("assertNoWarning: Unexpected exception calling " + f +
+                  "with warnings-as-errors enabled");
+            throw exc;
+        } finally {
+            if (!hadWerror)
+                options("werror");
+        }
+    };
+}
+
+if (typeof assertErrorMessage === 'undefined') {
+    var assertErrorMessage = function assertErrorMessage(f, ctor, test) {
+        try {
+            f();
+        } catch (e) {
+            if (!(e instanceof ctor))
+                throw new Error("Assertion failed: expected exception " + ctor.name + ", got " + e);
+            if (typeof test == "string") {
+                if (test != e.message)
+                    throw new Error("Assertion failed: expected " + test + ", got " + e.message);
+            } else {
+                if (!test.test(e.message))
+                    throw new Error("Assertion failed: expected " + test.toString() + ", got " + e.message);
+            }
+            return;
+        }
+        throw new Error("Assertion failed: expected exception " + ctor.name + ", no exception thrown");
+    };
+}
+
+if (typeof assertTypeErrorMessage === 'undefined') {
+    var assertTypeErrorMessage = function assertTypeErrorMessage(f, test) {
+      assertErrorMessage(f, TypeError, test);
+    };
+}
+
+if (typeof assertRangeErrorMessage === 'undefined') {
+    var assertRangeErrorMessage = function assertRangeErrorMessage(f, test) {
+      assertErrorMessage(f, RangeError, test);
+    };
+}