1 /*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package test.javafx.scene.web;
27
28 import javafx.scene.web.WebEngine;
29 import netscape.javascript.JSException;
30 import netscape.javascript.JSObject;
31 import static org.junit.Assert.*;
32 import org.junit.Test;
33 import org.w3c.dom.Document;
34
35 public class JavaScriptBridgeTest extends TestBase {
36
37 private void bind(String name, Object javaObject) {
38 JSObject parent = (JSObject) getEngine().executeScript("parent");
39 parent.setMember(name, javaObject);
40 }
41
42 public @Test void testJSBridge1() throws InterruptedException {
43 final Document doc = getDocumentFor("src/test/resources/test/html/dom.html");
44 final WebEngine web = getEngine();
45
46 submit(() -> {
47 Object wino = web.executeScript("parent.parent");
48 assertTrue(wino instanceof JSObject);
49 JSObject win = (JSObject) wino;
50 JSObject doc2 = (JSObject) win.getMember("document");
51 assertSame(doc, doc2);
52 assertEquals("undefined", win.getMember("xyz"));
53 String xyz = "xyz";
54 win.setMember("xyz", xyz);
55 assertEquals(xyz, win.getMember("xyz"));
56 web.executeScript("xlv = 50+5");
57 assertEquals("55", win.getMember("xlv").toString());
58 web.executeScript("xlv = xlv+0.5");
59 assertEquals(Double.valueOf("55.5"), win.getMember("xlv"));
60
61 try {
62 doc2.eval("something_unknown");
63 fail("JSException expected but not thrown");
64 } catch (JSException ex) {
65 assertEquals("netscape.javascript.JSException: ReferenceError: Can't find variable: something_unknown", ex.toString());
66 }
67 // FIXME This should work, but doesn't. A WebKit bug?
68 //JSObject htmlChildren = (JSObject) doc2.eval("documentElement.childNodes");
69 JSObject htmlChildren = (JSObject) doc2.eval("document.documentElement.childNodes");
70 assertEquals("[object NodeList]", htmlChildren.toString());
71 // child 0 is the head element, child 1 is a text node (a newline),
72 // and child 2 is the body element.
73 assertEquals(3, htmlChildren.getMember("length"));
74 // This seems to fail occasionally for unknown reasons. FIXME
75 assertEquals("[object HTMLHeadElement]", htmlChildren.getSlot(0).toString());
76 JSObject bodyNode = (JSObject) htmlChildren.getSlot(2);
77 assertEquals("[object HTMLBodyElement]", bodyNode.toString());
78 assertEquals(Boolean.TRUE, bodyNode.call("hasChildNodes"));
79 // JSObject p2Node = (JSObject) doc2.call("getElementById", "p2");
80 // assertEquals("p", p2Node.getMember("localName"));
81
82 // Test Node -> JavaScript conversion.
83 win.setMember("bd", bodyNode);
84 assertEquals("[object HTMLBodyElement]", web.executeScript("bd.toString()"));
85 Object bd2 = win.getMember("bd");
86 assertSame(bodyNode, bd2);
87
88 // RT-14174
89 ((JSObject) web.executeScript("new String('test me')"))
90 .call("charAt", new Object[] {1.0});
91 // RT-14175
92 try {
93 ((JSObject) web.executeScript("new String('test me')"))
94 .call("toUpperCase", (Object[]) null);
95 fail("NullPointerException expected but not thrown");
96 }
97 catch (Throwable ex) {
98 assertTrue(ex instanceof NullPointerException);
99 }
100 try {
101 ((JSObject) web.executeScript("new String('test me')"))
102 .call(null);
103 fail("NullPointerException expected but not thrown");
104 }
105 catch (Throwable ex) {
106 assertTrue(ex instanceof NullPointerException);
107 }
108 try {
109 win.setMember(null, "foo");
110 fail("NullPointerException expected but not thrown");
111 }
112 catch (Throwable ex) {
113 assertTrue(ex instanceof NullPointerException);
114 }
115 // RT-14178
116 ((JSObject) web.executeScript("new String('test me')"))
117 .setMember("iamwrong", null);
118 // RT-14241
119 ((JSObject) web.executeScript("new Array(1, 2, 3);"))
120 .setSlot(0, 155);
121 });
122 }
123
124 public @Test void testJSBridge2() throws InterruptedException {
125 submit(() -> {
126 JSObject strO = (JSObject)
127 getEngine().executeScript("new String('test me')");
128 String str = "I am new member, and I'm here";
129 strO.setMember("newmember", str);
130 Object o = strO.getMember("newmember");
131 assertEquals(str, o);
132 strO.removeMember("newmember");
133 o = strO.getMember("newmember");
134 assertEquals("undefined", o);
135 });
136 }
137
138 public @Test void testJSBridge3() throws InterruptedException {
139 //final Document doc = getDocumentFor("src/test/resources/test/html/dom.html");
140 final WebEngine web = getEngine();
141
142 submit(() -> {
143 Object wino = web.executeScript("parent.parent");
144 assertTrue(wino instanceof JSObject);
145 JSObject win = (JSObject) wino;
146 java.util.Stack<Object> st = new java.util.Stack<Object>();
147 bind("myStack", st);
148 win.setMember("myStack2", st);
149 web.executeScript("myStack.push(\"abc\")");
150 //assertEquals("abc", st.toString());
151 st.push("def");
152 assertEquals(2, web.executeScript("myStack.size()"));
153 assertSame(st, web.executeScript("myStack"));
154 assertSame(st, web.executeScript("myStack2"));
155 assertEquals("def", web.executeScript("myStack.get(1)").toString());
156 assertEquals("[abc, def]", web.executeScript("myStack").toString());
157 });
158 }
159
160 public @Test void testJSBridge4() throws InterruptedException {
161 final WebEngine web = getEngine();
162
163 submit(() -> {
164 // Based on RT-19205 "JavaScript2Java Bridge: float and double
165 // values can be lost when assigned to JS variables".
166 float a = (float) 15.5;
167 double b = 26.75;
168 Carry c = new Carry(0, 0);
169 bind("myA", a);
170 bind("myB", b);
171 bind("myC", c);
172 web.executeScript("var a1 = myA; var b1 = myB; myC.a = a1; myC.b = b1;");
173 assertEquals(15.5, c.a, 0.1);
174 assertEquals(26.75, c.b, 0.1);
175 Carry d = new Carry(a, b);
176 Carry e = new Carry(0, 0);
177 bind("myD", d);
178 bind("myE", e);
179 Object str =
180 web.executeScript("var a2 = myD.a;"
181 + "var b2 = myD.b;"
182 + "myE.a = a2;"
183 + "myE.b = b2;[a2, b2].toString()");
184 assertEquals("15.5,26.75", str);
185 assertEquals(15.5, d.a, 0.1);
186 assertEquals(15.5, e.a, 0.1);
187 assertEquals(26.75, d.b, 0.1);
188 assertEquals(26.75, e.b, 0.1);
189
190 // Based on RT-19209 "JavaScript2Java Bridge: assigning a JS
191 // object to a field of Java object produces garbage value"
192 Carry carry = new Carry();
193 bind("carry", carry);
194
195 Object o = web.executeScript("carry.o = window; carry.o == window");
196 assertEquals(Boolean.TRUE, o);
197 assertEquals("[object Window]", carry.o.toString());
198
199 // Based on RT-19204 "JavaScript2Java Bridge:
200 // setting a char field of an object produces an exception"
201 char ch = 'C';
202 carry = new Carry();
203 bind("c", ch);
204 bind("carry", carry);
205 web.executeScript("carry.c = c;");
206 assertEquals('C', carry.c);
207 });
208 }
209
210 @Test public void testJSBridge5() throws InterruptedException {
211 final Document doc = getDocumentFor("src/test/resources/test/html/dom.html");
212 final WebEngine web = getEngine();
213
214 submit(() -> {
215 JSObject doc2 = (JSObject) doc;
216 try {
217 doc2.call("removeChild", new Object[] {doc2});
218 fail("JSException expected but not thrown");
219 } catch (Throwable ex) {
220 assertTrue(ex instanceof JSException);
221 assertTrue(ex.toString().indexOf("DOM Exception") > 0);
222 }
223 });
224 }
225
226 @Test public void testJSCall1() throws InterruptedException {
227 final WebEngine web = getEngine();
228 submit(() -> {
229 assertEquals("123.7", web.executeScript("123.67.toFixed(1)"));
230 try {
231 web.executeScript("123.67.toFixed(-1)");
232 fail("JSException expected but not thrown");
233 } catch (Throwable ex) {
234 String exp = "netscape.javascript.JSException: RangeError";
235 assertEquals(exp, ex.toString().substring(0, exp.length()));
236 }
237 });
238 }
239
240 @Test public void testNullMemberName() throws InterruptedException {
241 submit(() -> {
242 JSObject parent = (JSObject) getEngine().executeScript("parent");
243
244 // test getMember(null)
245 try {
246 parent.getMember(null);
247 fail("JSObject.getMember(null) didn't throw NPE");
248 } catch (NullPointerException e) {
249 // expected
250 }
251
252 // test setMember(null, obj)
253 try {
254 parent.setMember(null, "");
255 fail("JSObject.setMember(null, obj) didn't throw NPE");
256 } catch (NullPointerException e) {
257 // expected
258 }
259
260 // test removeMember(null)
261 try {
262 parent.removeMember(null);
263 fail("JSObject.removeMember(null) didn't throw NPE");
264 } catch (NullPointerException e) {
265 // expected
266 }
267
268 // test call(null)
269 try {
270 parent.call(null);
271 fail("JSObject.call(null) didn't throw NPE");
272 } catch (NullPointerException e) {
273 // expected
274 }
275
276 // test eval(null)
277 try {
278 parent.eval(null);
279 fail("JSObject.eval(null) didn't throw NPE");
280 } catch (NullPointerException e) {
281 // expected
282 }
283 });
284 }
285
286 public static class Carry {
287 public float a;
288 public double b;
289 public char c;
290
291 public Object o;
292
293 public Carry() {
294 }
295
296 public Carry(float a, double b) {
297 this.a = a;
298 this.b = b;
299 }
300 }
301
302 public @Test void testCallStatic() throws InterruptedException {
303 final WebEngine web = getEngine();
304
305 submit(() -> {
306 // Test RT-19099
307 java.io.File x = new java.io.File("foo.txt1");
308 bind("x", x);
309 try {
310 Object o2 = web.executeScript("x.listRoots()");
311 fail("exception expected for invoking static method");
312 } catch (JSException ex) {
313 if (ex.toString().indexOf("static") < 0)
314 fail("caught unexpected exception: "+ex);
315 }
316 });
317 }
318
319 // JDK-8141386
320 public static class WrapperObjects {
321 public Number n0; // using setter
322 public Number n1; // direct access
323 public Double d0; // using setter
324 public Double d1; // direct access
325 public Integer i0; // using setter
326 public Integer i1; // direct access
327 public Boolean b0; // using setter
328 public Boolean b1; // direct access
329 public Character c0; // using setter
330 public Character c1; // direct access
331
332 public void setNumberVal(Number n) {
333 n0 = n;
334 }
335
336 public void setDoubleVal(Double d) {
337 d0 = d;
338 }
339
340 public void setIntegerVal(Integer i) {
341 i0 = i;
342 }
343
344 public void setBooleanVal(Boolean b) {
345 b0 = b;
346 }
347
348 public void setCharacterVal(Character c) {
349 c0 = c;
350 }
351 }
352
353 public @Test void testMethodCallWithWrapperObjects() {
354 final WebEngine web = getEngine();
355
356 submit(() -> {
357 WrapperObjects obj = new WrapperObjects();
358 bind("obj", obj);
359 // Test java.lang.Number
360 web.executeScript("obj.setNumberVal(1.23)");
361 assertEquals(1.23, obj.n0.doubleValue(), 0.1);
362 web.executeScript("obj.n1 = 1.23");
363 assertEquals(1.23, obj.n1.doubleValue(), 0.1);
364 // Test java.lang.Double
365 web.executeScript("obj.setDoubleVal(1.23)");
366 assertEquals(1.23, obj.d0, 0.1);
367 web.executeScript("obj.d1 = 1.23");
368 assertEquals(1.23, obj.d1, 0.1);
369 // Test java.lang.Integer
370 web.executeScript("obj.setIntegerVal(123)");
371 assertEquals(123, obj.i0.intValue());
372 web.executeScript("obj.i1 = 123");
373 assertEquals(123, obj.i1.intValue());
374 // Test java.lang.Boolean
375 web.executeScript("obj.setBooleanVal(true)");
376 assertEquals(true, obj.b0.booleanValue());
377 web.executeScript("obj.setBooleanVal(false)");
378 assertEquals(false, obj.b0.booleanValue());
379 web.executeScript("obj.b1 = true");
380 assertEquals(true, obj.b1.booleanValue());
381 web.executeScript("obj.b1 = false");
382 assertEquals(false, obj.b1.booleanValue());
383 // Test java.lang.Character
384 web.executeScript("obj.setCharacterVal('o')");
385 assertEquals('o', obj.c0.charValue());
386 web.executeScript("obj.c1 = '1'");
387 assertEquals('1', obj.c1.charValue());
388 });
389 }
390
391 // JDK-8089842
392 public static class CharMember {
393 public char c;
394 }
395
396 public @Test void testJSStringToJavaCharSpecilization() {
397 final WebEngine web = getEngine();
398
399 submit(() -> {
400 CharMember charTest = new CharMember();
401 bind("charTest", charTest);
402 // ascii char
403 web.executeScript("charTest.c = 'o';");
404 assertEquals('o', charTest.c);
405 web.executeScript("charTest.c = undefined;");
406 assertEquals('\0', charTest.c);
407 web.executeScript("charTest.c = '11111111o';");
408 assertEquals('1', charTest.c);
409 web.executeScript("charTest.c = null;");
410 assertEquals('\0', charTest.c);
411 web.executeScript("charTest.c = ' ';");
412 assertEquals(' ', charTest.c);
413 web.executeScript("charTest.c = '';");
414 assertEquals('\0', charTest.c);
415 web.executeScript("charTest.c = 65;");
416 assertEquals('A', charTest.c);
417 // unicode
418 web.executeScript("charTest.c = '\u03A9';");
419 assertEquals('Ω', charTest.c);
420 });
421 }
422
423 public @Test void testBridgeExplicitOverloading() throws InterruptedException {
424 final WebEngine web = getEngine();
425
426 submit(() -> {
427 StringBuilder sb = new StringBuilder();
428 bind("sb", sb);
429 web.executeScript("sb['append(int)'](123)");
430 assertEquals("123", sb.toString());
431 sb.append(' ');
432 web.executeScript("sb['append(int)'](5.5)");
433 // Note 5.5 is truncated to int.
434 assertEquals("123 5", sb.toString());
435 sb.append(' ');
436 web.executeScript("sb['append(Object)'](5.5)");
437 assertEquals("123 5 5.5", sb.toString());
438 sb.append(' ');
439 web.executeScript("sb['append(java.lang.String)']('abc')");
440 assertEquals("123 5 5.5 abc", sb.toString());
441 sb.append(' ');
442 web.executeScript("sb['append(String)'](987)");
443 assertEquals("123 5 5.5 abc 987", sb.toString());
444 assertEquals(sb.toString(),
445 web.executeScript("sb['toString()']()"));
446
447 char[] carr = { 'k', 'l', 'm' };
448 bind("carr", carr);
449 sb.append(' ');
450 web.executeScript("sb['append(char[])'](carr)");
451 web.executeScript("sb['append(char[],int,int)'](carr, 1, 2)");
452 assertEquals("123 5 5.5 abc 987 klmlm", sb.toString());
453
454 java.util.List<Integer> alist = new java.util.ArrayList<Integer>();
455 alist.add(98);
456 alist.add(87);
457 alist.add(76);
458 bind("alist", alist);
459 Integer[] iarr = new Integer[4];
460 bind("iarr", iarr);
461 Object r = web.executeScript("alist['toArray(Object[])'](iarr)");
462 assertSame(iarr, r);
463 assertEquals("98/87/76/null",
464 iarr[0]+"/"+iarr[1]+"/"+iarr[2]+"/"+iarr[3]);
465 });
466 }
467
468 private void executeShouldFail(WebEngine web, String expression,
469 String expected) {
470 try {
471 web.executeScript(expression);
472 fail("exception expected for "+expression);
473 } catch (JSException ex) {
474 if (ex.toString().indexOf(expected) < 0)
475 fail("caught unexpected exception: "+ex);
476 }
477 }
478 private void executeShouldFail(WebEngine web, String expression) {
479 executeShouldFail(web, expression, "undefined is not a function");
480 }
481
482 public @Test void testThrowJava() throws InterruptedException {
483 final WebEngine web = getEngine();
484
485 submit(() -> {
486 MyExceptionHelper test = new MyExceptionHelper();
487 bind("test", test);
488 try {
489 web.executeScript("test.throwException()");
490 fail("JSException expected but not thrown");
491 } catch (JSException e) {
492 assertEquals("netscape.javascript.JSException",
493 e.getClass().getName());
494 assertTrue(e.getCause() != null);
495 assertTrue(e.getCause() instanceof MyException);
496 }
497 });
498 }
499
500 // RT-37859
501 public @Test void testThrowJava2() throws InterruptedException {
502 final WebEngine web = getEngine();
503
504 submit(() -> {
505 MyExceptionHelper test = new MyExceptionHelper();
506 bind("test", test);
507 try {
508 String script =
509 "try { " +
510 " test.throwException2(); " +
511 "} catch (e) { " +
512 " document.body.textContent = e; " +
513 "}";
514 web.executeScript(script);
515 } catch (JSException e) {
516 fail("caught unexpected exception: " + e);
517 }
518 });
519 }
520
521 public static class MyException extends Throwable {
522 }
523
524 public static class MyExceptionHelper {
525 public void throwException() throws MyException {
526 throw new MyException();
527 }
528 public void throwException2() {
529 throw new RuntimeException("TheRuntimeException");
530 }
531 }
532
533
534 public @Test void testBridgeArray1() throws InterruptedException {
535 final WebEngine web = getEngine();
536
537 submit(() -> {
538 int []array = new int[3];
539 array[0] = 42;
540 bind("test", array);
541 assertEquals(Integer.valueOf(42), web.executeScript("test[0]"));
542 assertEquals(Integer.valueOf(3), web.executeScript("test.length"));
543 assertSame(array, web.executeScript("test"));
544 });
545 }
546
547 public @Test void testBridgeBadOverloading() throws InterruptedException {
548 final WebEngine web = getEngine();
549
550 submit(() -> {
551 StringBuilder sb = new StringBuilder();
552 bind("sb", sb);
553 executeShouldFail(web, "sb['append)int)'](123)");
554 executeShouldFail(web, "sb['append)int)'](123)");
555 executeShouldFail(web, "sb['(int)'](123)");
556 executeShouldFail(web, "sb['append(,int)'](123)");
557 executeShouldFail(web, "sb['append(int,)'](123)");
558 executeShouldFail(web, "sb['unknownname(int)'](123)");
559 executeShouldFail(web, "sb['bad-name(int)'](123)");
560 executeShouldFail(web, "sb['append(BadClass)'](123)");
561 executeShouldFail(web, "sb['append(bad-type)'](123)");
562 executeShouldFail(web, "sb['append(char[],,int)'](1, 2)");
563 });
564 }
565 }