Add tests for function statements in strict mode.

test/preparser/strict-function-statement.pyt

+# Copyright 2011 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# In strict mode, function declarations may only appear as source elements.
+
+# A template that performs the same strict-mode test in different
+# scopes (global scope, function scope, and nested function scope).
+def StrictTest(name, source):
+  Test(name, '"use strict";\n' + source, "strict_function")
+  Test(name + '-infunc',
+       'function foo() {\n "use strict";\n' + source +'\n}\n',
+       "strict_function")
+  Test(name + '-infunc2',
+       'function foo() {\n "use strict";\n  function bar() {\n' +
+       source +'\n }\n}\n',
+       "strict_function")
+
+# Not testing with-scope, since with is not allowed in strict mode at all.
+
+StrictTest("block", """
+  { function foo() { } }
+""")
+
+StrictTest("try-w-catch", """
+  try { function foo() { } } catch (e) { }
+""")
+
+StrictTest("try-w-finally", """
+  try { function foo() { } } finally { }
+""")
+
+StrictTest("catch", """
+  try { } catch (e) { function foo() { } }
+""")
+
+StrictTest("finally", """
+  try { } finally { function foo() { } }
+""")
+
+StrictTest("for", """
+  for (;;) { function foo() { } }
+""")
+
+StrictTest("while", """
+  while (true) { function foo() { } }
+""")
+
+StrictTest("do", """
+  do { function foo() { } } while (true);
+""")
+
+StrictTest("then", """
+  if (true) { function foo() { } }
+""")
+
+
+StrictTest("then-w-else", """
+  if (true) { function foo() { } } else { }
+""")
+
+
+StrictTest("else", """
+  if (true) { } else { function foo() { } }
+""")
+
+StrictTest("switch-case", """
+  switch (true) { case true: function foo() { } }
+""")
+
+StrictTest("labeled", """
+  label: function foo() { }
+""")
+
+
+