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Unified Diff: test/preparser/strict-identifiers.pyt

Issue 7061008: Create template system for strict-mode tests. (Closed)
Patch Set: Remove debug print. Created 9 years, 7 months ago
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Index: test/preparser/strict-identifiers.pyt
diff --git a/test/preparser/strict-identifiers.pyt b/test/preparser/strict-identifiers.pyt
new file mode 100644
index 0000000000000000000000000000000000000000..20819ce11e641fc540006d6223115ca5730622e4
--- /dev/null
+++ b/test/preparser/strict-identifiers.pyt
@@ -0,0 +1,199 @@
+# 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.
+
+# Templatated tests with eval/arguments/future reserved words.
+
+# ----------------------------------------------------------------------
+# Constants and utility functions
+
+reserved_words = [
+ 'class',
+ 'const', # Has other error message than other reserved words.
+ 'enum',
+ 'export',
+ 'extends',
+ 'import',
+ 'super'
+ ]
+
+strict_reserved_words = [
+ 'implements',
+ 'interface',
+ 'let',
+ 'package',
+ 'private',
+ 'protected',
+ 'public',
+ 'static',
+ 'yield'
+ ]
+
+assign_ops = {
+ "=": "assign",
+ "+=": "addeq",
+ "-=": "subeq",
+ "*=": "muleq",
+ "/=": "diveq",
+ "%=": "modeq",
+ "&=": "andeq",
+ "|=": "oreq",
+ "^=": "xoreq",
+ "<<=": "shleq",
+ ">>=": "asreq",
+ ">>>=": "lsreq"
+ }
+
+
+# A template that performs the same strict-mode test in different
+# scopes (global scope, function scope, and nested function scope).
+def StrictTemplate(name, source):
+ def MakeTests(replacement, expectation):
+ Template(name, '"use strict";\n' + source)(replacement, expectation)
+ Template(name + '-infunc',
+ 'function foo() {\n "use strict";\n' + source +'\n}\n')(
+ replacement, expectation)
+ Template(name + '-infunc2',
+ 'function foo() {\n "use strict";\n function bar() {\n' +
+ source +'\n }\n}\n')(replacement, expectation)
+ return MakeTests
+
+# ----------------------------------------------------------------------
+# Test templates
+
+arg_name_own = Template("argument-name-own-$id", """
+ function foo($id) {
+ "use strict";
+ }
+""")
+
+arg_name_nested = Template("argument-name-nested-$id", """
+ function foo() {
+ "use strict";
+ function bar($id) { }
+ }
+""")
+
+func_name_own = Template("function-name-own-$id", """
+ function $id(foo) {
+ "use strict";
+ }
+""")
+
+func_name_nested = Template("function-name-nested-$id", """
+ function foo() {
+ "use strict";
+ function $id(bar) { }
+ }
+""")
+
+catch_var = StrictTemplate("catch-$id", """
+ try { } catch ($id) { }
+""")
+
+declare_var = StrictTemplate("var-$id", """
+ var $id = 42;
+""")
+
+assign_var = StrictTemplate("assign-$id-$opname", """
+ var x = $id $op 42;
+""")
+
+prefix_var = StrictTemplate("prefix-$opname-$id", """
+ var x = $op$id;
+""")
+
+postfix_var = StrictTemplate("postfix-$opname-$id", """
+ var x = $id$op;
+""")
+
+read_var = StrictTemplate("read-reserved-$id", """
+ var x = $id;
+""")
+
+non_strict_use = Template("nonstrict-$id", """
+ var $id = 42;
+ $id++;
+ $id--;
+ ++$id;
+ --$id;
+ $id += 10;
+ $id -= 10;
+ try {} catch ($id) { }
+ function $id($id) { }
+ function foo() { "use strict;" }
+ var $id = 42;
+ $id++;
+ $id--;
+ ++$id;
+ --$id;
+ $id += 10;
+ $id -= 10;
+ try {} catch ($id) { }
+ function $id($id) { }
+""")
+
+# ----------------------------------------------------------------------
+# Run tests
+
+# eval and arguments have specific exceptions for different uses.
+for id in ["eval", "arguments"]:
+ arg_name_own({"id": id}, "strict_param_name")
+ arg_name_nested({"id": id}, "strict_param_name")
+ func_name_own({"id": id}, "strict_function_name")
+ func_name_nested({"id": id}, "strict_function_name")
+ for op in assign_ops.keys():
+ assign_var({"id": id, "op":op, "opname": assign_ops[op]},
+ "strict_lhs_assignment")
+ catch_var({"id": id}, "strict_catch_variable")
+ declare_var({"id": id}, "strict_var_name")
+ prefix_var({"id": id, "op":"++", "opname":"inc"}, "strict_lhs_prefix")
+ prefix_var({"id": id, "op":"--", "opname":"dec"}, "strict_lhs_prefix")
+ postfix_var({"id": id, "op":"++", "opname":"inc"}, "strict_lhs_postfix")
+ postfix_var({"id": id, "op":"--", "opname":"dec"}, "strict_lhs_postfix")
+ non_strict_use({"id": id}, None)
+
+
+# Reserved words just throw the same exception in all cases
+# (with "const" being special, as usual).
+for reserved_word in reserved_words + strict_reserved_words:
+ message = "strict_reserved_word"
+ if (reserved_word == "const"): message = "unexpected_token"
+ arg_name_own({"id":reserved_word}, message)
+ arg_name_nested({"id":reserved_word}, message)
+ func_name_own({"id":reserved_word}, message)
+ func_name_nested({"id":reserved_word}, message)
+ for op in assign_ops.keys():
+ assign_var({"id":reserved_word, "op":op, "opname": assign_ops[op]}, message)
+ catch_var({"id":reserved_word}, message)
+ declare_var({"id":reserved_word}, message)
+ prefix_var({"id":reserved_word, "op":"++", "opname":"inc"}, message)
+ prefix_var({"id":reserved_word, "op":"--", "opname":"dec"}, message)
+ postfix_var({"id":reserved_word, "op":"++", "opname":"inc"}, message)
+ postfix_var({"id":reserved_word, "op":"--", "opname":"dec"}, message)
+ read_var({"id": reserved_word}, message)
+
+
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