Implementing escape sequences support with the exception of "\0" ("<NUL>") character and cases that depend on Unicode support.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com

tests/jerry/escape_sequences.js

@@ -0,0 +1,39 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+assert ('abcd\
+efgh' === 'abcdefgh');
+
+assert ('\'' === "'");
+assert ("\'" === "'");
+assert ('\"' === '"');
+assert ("\"" === '"');
+
+//
+// TODO
+//   Extend the test by verifying character codes after String.charCodeAt would be implemented
+//
+assert ((new String ('\\')).length === 1);
+assert ((new String ('\b')).length === 1);
+assert ((new String ('\f')).length === 1);
+assert ((new String ('\n')).length === 1);
+assert ((new String ('\r')).length === 1);
+assert ((new String ('\t')).length === 1);
+assert ((new String ('\v')).length === 1);
+
+// 'p' is not SingleEscapeCharacter
+assert ('\p' === 'p');
+
+var v\u0061riable = 'valu\u0065';
+assert (variable === 'value');

tests/jerry/fail/12/escape_sequences_invalid_hex.js

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+// Copyright 2015 Samsung Electronics Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var str = '\x5t';

tests/jerry/fail/12/escape_sequences_invalid_unicode.js

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+// Copyright 2015 Samsung Electronics Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var str = '\u004t';

tests/jerry/fail/12/escape_sequences_invalid_variable.js

@@ -0,0 +1,15 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var a\u0028bcd;