Add another test for WebView's Java Bridge

Tests that an exception is raised if the wrong number of arguments are passed
to a method of an injected object.

Bug: 5140673
Change-Id: Ic9f9d09969e0fccbe82584e1a9ca7580f6010c87

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/WebViewTests/src/com/android/webviewtests/JavaBridgeBasicsTest.java b/tests/WebViewTests/src/com/android/webviewtests/JavaBridgeBasicsTest.java
index 143221d..54865e9 100644
--- a/tests/WebViewTests/src/com/android/webviewtests/JavaBridgeBasicsTest.java
+++ b/tests/WebViewTests/src/com/android/webviewtests/JavaBridgeBasicsTest.java
@@ -38,6 +38,7 @@ public class JavaBridgeBasicsTest extends JavaBridgeTestBase {
         private int mIntValue;
         private long mLongValue;
         private String mStringValue;
+        private boolean mBooleanValue;
 
         public synchronized void setIntValue(int x) {
             mIntValue = x;
@@ -51,6 +52,10 @@ public class JavaBridgeBasicsTest extends JavaBridgeTestBase {
             mStringValue = x;
             notifyResultIsReady();
         }
+        public synchronized void setBooleanValue(boolean x) {
+            mBooleanValue = x;
+            notifyResultIsReady();
+        }
 
         public synchronized int waitForIntValue() {
             waitForResult();
@@ -64,6 +69,10 @@ public class JavaBridgeBasicsTest extends JavaBridgeTestBase {
             waitForResult();
             return mStringValue;
         }
+        public synchronized boolean waitForBooleanValue() {
+            waitForResult();
+            return mBooleanValue;
+        }
     }
 
     TestController mTestController;
@@ -204,6 +213,23 @@ public class JavaBridgeBasicsTest extends JavaBridgeTestBase {
         assertEquals("2 args", mTestController.waitForStringValue());
     }
 
+    public void testCallMethodWithWrongNumberOfArgumentsRaisesException() throws Throwable {
+        class Test {
+            public void run(String script) throws Throwable {
+                executeJavaScript("try {" +
+                                  script + ";" +
+                                  "  testController.setBooleanValue(false);" +
+                                  "} catch (exception) {" +
+                                  "  testController.setBooleanValue(true);" +
+                                  "}");
+                assertTrue(mTestController.waitForBooleanValue());
+            }
+        }
+        Test test = new Test();
+        test.run("testController.setIntValue()");
+        test.run("testController.setIntValue(42, 42)");
+    }
+
     public void testObjectPersistsAcrossPageLoads() throws Throwable {
         assertEquals("object", executeJavaScriptAndGetStringResult("typeof testController"));
         runTestOnUiThread(new Runnable() {