test/src/jdk/nashorn/api/scripting/ScriptEngineTest.java

*** 44,53 ****
--- 44,54 ----
  import javax.script.ScriptEngineFactory;
  import javax.script.ScriptEngineManager;
  import javax.script.ScriptException;
  import jdk.nashorn.internal.runtime.Version;
  import netscape.javascript.JSObject;
+ import org.testng.Assert;
  import org.testng.TestNG;
  import org.testng.annotations.Test;
  
  /**
   * Tests for JSR-223 script engine for Nashorn.
*** 857,862 ****
--- 858,884 ----
          } catch (final Throwable t) {
              t.printStackTrace();
              fail(t.getMessage());
          }
      }
+ 
+     @Test
+     public void scriptObjectMirrorToStringTest() {
+         final ScriptEngineManager m = new ScriptEngineManager();
+         final ScriptEngine e = m.getEngineByName("nashorn");
+         try {
+             Object obj = e.eval("new TypeError('wrong type')");
+             Assert.assertEquals(obj.toString(), "TypeError: wrong type", "toString returns wrong value");
+         } catch (final Throwable t) {
+             t.printStackTrace();
+             fail(t.getMessage());
+         }
+ 
+         try {
+             Object obj = e.eval("function func() { print('hello'); }");
+             Assert.assertEquals(obj.toString(), "function func() { print('hello'); }", "toString returns wrong value");
+         } catch (final Throwable t) {
+             t.printStackTrace();
+             fail(t.getMessage());
+         }
+     }
  }