nashorn/test/script/basic/NASHORN-207_2.js
changeset 16147 e63b63819133
child 16151 97c1e756ae1e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-207_2.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * NASHORN-207 : Implement strict mode.
+ *
+ * @test
+ * @run
+ */
+
+// make sure that 'use strict' as first directive inside eval
+// also works the same way (as eval called from strict mode caller).
+
+try {
+    eval("'use strict'; foo = 4;");
+    fail("#1 should have thrown ReferenceError");
+} catch (e) {
+    if (! (e instanceof ReferenceError)) {
+        fail("#2 expected ReferenceError but got " + e);
+    }
+}
+
+if (typeof foo !== 'undefined') {
+    fail("#3 strict mode eval defined var in global scope!");
+}
+
+try {
+    eval("'use strict'; var let = 23;");
+    fail("#4 should have thrown SyntaxError");
+} catch (e) {
+    if (! (e instanceof SyntaxError)) {
+        fail("#5 SyntaxError expected but got " + e);
+    }
+}
+
+// non-strict mode, some of the future reserved words can be used
+// as identifiers. These include "let", "implements", "yield" etc.
+var let = 30;
+var implements = "hello";
+function yield() {}
+function public() {}
+var private = false;
+var protected = "hello";
+var interface = "interface";
+function f(package) {}
+function static() {}
+
+// in strict mode, arguments does not alias named access
+function func(x, y) {
+    'use strict';
+
+    if (x !== arguments[0]) {
+        fail("#6 arguments[0] !== x");
+    }
+
+    if (y !== arguments[1]) {
+        fail("#7 arguments[1] !== y");
+    }
+
+    arguments[0] = 1;
+    arguments[1] = 2;
+
+    if (x === arguments[0]) {
+        fail("#8 arguments[0] === x after assignment to it");
+    }
+
+    if (y === arguments[1]) {
+        fail("#9 arguments[1] === y after assignment to it ");
+    }
+}
+
+func();
+
+// functions can not be declared everywhere!!
+try {
+    eval("'use strict'; if (true) { function func() {} }");
+    fail("#10 should have thrown SyntaxError");
+} catch (e) {
+    if (! (e instanceof SyntaxError)) {
+        fail("#11 SyntaxError expected got " + e);
+    }
+}
+
+// arguments.caller and arguments.callee can't read or written in strict mode
+function func2() {
+    'use strict';
+
+    try {
+        print(arguments.callee);
+        fail("#12 arguments.callee should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#13 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        print(arguments.caller);
+        fail("#14 arguments.caller should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#15 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        arguments.caller = 10;
+        fail("#16 arguments.caller assign should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#17 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        arguments.callee = true;
+        fail("#18 arguments.callee assign should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#19 TypeError expected, got " + e);
+        }
+    }
+}
+
+func2();
+
+// func.caller and func.arguments can't read or written in strict mode
+function func3() {
+    'use strict';
+
+    try {
+        print(func3.arguments);
+        fail("#20 func.arguments should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#21 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        print(func3.caller);
+        fail("#22 func3.caller should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#23 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        func3.arguments = 10;
+        fail("#24 func3.arguments assign should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#25 TypeError expected, got " + e);
+        }
+    }
+
+    try {
+        func3.caller = true;
+        fail("#26 func3.caller assign should have thrown TypeError");
+    } catch (e) {
+        if (! (e instanceof TypeError)) {
+            fail("#27 TypeError expected, got " + e);
+        }
+    }
+}
+
+func3();
+
+try {
+    eval("function eval() { 'use strict'; }");
+    fail("#28 should have thrown SyntaxError");
+} catch (e) {
+    if (! (e instanceof SyntaxError)) {
+        fail("#29 SyntaxError expected, got " + e);
+    }
+}
+
+function func4() {
+  'use \
+strict';
+
+    // The use strict directive can't contain line continuation.
+    // So this is not a strict mode function!!
+    with({}) {}
+}
+
+func4();
+
+function func5() {
+   'use\u2028strict';
+
+    // The use strict directive can't contain unicode whitespace escapes
+    // So this is not a strict mode function!!
+    with({}) {}
+}
+
+func5();
+
+function func6() {
+   'use\u2029strict';
+
+    // The use strict directive can't contain unicode whitespace escapes
+    // So this is not a strict mode function!!
+    with({}) {}
+}
+
+func6();
+
+try {
+    eval("'bogus directive'; 'use strict'; eval = 10");
+    fail("#30 SyntaxError expected from eval");
+} catch (e) {
+    if (! (e instanceof SyntaxError)) {
+        fail("#31 SyntaxError expected but got " + e);
+    }
+}