regexp: test for inline options

RegExpSupport/test/org/intellij/lang/regexp/RegExpParseTest.java

@@ -103,6 +103,10 @@ public class RegExpParseTest extends BaseParseTestCase {
     return super.getTestDataPath() + "/gen/";
   }
 
+  public void testOptions() throws Exception {
+    doTest("options/");
+  }
+
   public void testSimple() throws Exception {
     doTest("simple/");
   }

RegExpSupport/testData/RETest.xml

@@ -919,6 +919,21 @@
     </test>
   </regressions>
 
+  <options>
+    <test host="com.intellij.psi.impl.JavaRegExpHost">
+      <pattern><![CDATA[(?i<error descr="Unknown inline option flag">Z</error>m)abc]]></pattern>
+      <expected>OK</expected>
+    </test>
+    <test host="com.intellij.psi.impl.JavaRegExpHost">
+      <pattern>(?idmsuxU)nice</pattern>
+      <expected>OK</expected>
+    </test>
+    <test host="com.intellij.psi.impl.JavaRegExpHost">
+      <pattern verify="false">(?idm-suxU)one(?suxU-idm)two</pattern>
+      <expected>OK</expected>
+    </test>
+  </options>
+
   <test>
     <pattern>abc)</pattern>
     <expected>ERR</expected>