Implement IsRegExp operation (#3321)

Algorithm is based on ECMA-262 v6, 22.1.3.1.1

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu

tests/jerry/es2015/regexp-construct.js

@@ -0,0 +1,30 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// 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 r = RegExp ("a","gim");
+var r2 = RegExp (r,"gim");
+
+assert(r2.source === 'a');
+assert(r2.global === true);
+assert(r2.ignoreCase === true);
+assert(r2.multiline === true);
+
+var obj = { get source() { throw 5 }, [Symbol.match] : true }
+
+try {
+  new RegExp (obj);
+  assert(false)
+} catch (e) {
+  assert(e === 5);
+}

tests/jerry/es2015/string-prototype-endswith.js

@@ -61,3 +61,20 @@ try {
 } catch (e) {
   assert (e instanceof TypeError);
 }
+
+z[Symbol.match] = false;
+assert(y.endsWith(z) === false);
+
+try {
+  "foo".endsWith({[Symbol.match] : true});
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  "foo".endsWith({get [Symbol.match] () { throw 5}});
+  assert(false);
+} catch (e) {
+  assert(e === 5);
+}

tests/jerry/es2015/string-prototype-includes.js

@@ -60,3 +60,20 @@ try {
 } catch (e) {
   assert (e instanceof TypeError);
 }
+
+z[Symbol.match] = false;
+assert(y.includes(z) === false);
+
+try {
+  "foo".includes({[Symbol.match] : true});
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  "foo".includes({get [Symbol.match] () { throw 5}});
+  assert(false);
+} catch (e) {
+  assert(e === 5);
+}

tests/jerry/es2015/string-prototype-startswith.js

@@ -51,3 +51,20 @@ try {
 } catch (e) {
   assert (e instanceof TypeError);
 }
+
+y[Symbol.match] = false;
+assert(x.startsWith(y) === false);
+
+try {
+  "foo".startsWith({[Symbol.match] : true});
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  "foo".startsWith({get [Symbol.match] () { throw 5}});
+  assert(false);
+} catch (e) {
+  assert(e === 5);
+}

tests/jerry/es5.1/regexp-construct.js

@@ -0,0 +1,25 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// 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 r = RegExp ("a","gim");
+var r2;
+
+try {
+  r2 = RegExp (r,"gim");
+  assert(false);
+}
+catch ( e )
+{
+  assert (e instanceof TypeError);
+}

tests/jerry/regexp-construct.js

@@ -45,14 +45,6 @@ assert (r.ignoreCase == true);
 assert (r.multiline == true);
 
 var r2;
-try {
-  r2 = RegExp (r,"gim");
-  assert(false);
-}
-catch ( e )
-{
-  assert (e instanceof TypeError);
-}
 
 r2 = RegExp (r);
 assert (r2.source == "a");