modules/graphics/src/test/java/com/sun/javafx/css/StyleManagerTest.java

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rev 6979 : RT-37025: StyleManager failed to remove stylesheet containers that reference children of a parent that is removed from the scene


 110         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 111         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 112         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 113 
 114         assertTrue(sm.platformUserAgentStylesheetContainers.size() == 2);
 115 
 116         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 117         assertEquals(0,index);
 118 
 119         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 120         assertEquals(1, index);
 121 
 122     }
 123 
 124     @Test
 125     public void testSetDefaultUserAgentStyleshseet_String() {
 126         StyleManager sm = StyleManager.getInstance();
 127         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 128 
 129         int index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua0.css");
 130         assertEquals(0,index);
 131     }
 132 
 133     @Test
 134     public void testSetUserAgentStyleshseet_String_Multiple() {
 135         StyleManager sm = StyleManager.getInstance();
 136         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 137         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 138 
 139         assertTrue(sm.platformUserAgentStylesheetContainers.size() == 2);
 140 
 141         int index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua0.css");
 142         assertEquals(0,index);
 143 
 144         index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua1.css");
 145         assertEquals(1, index);
 146     }
 147 
 148     @Test
 149     public void testSetUserAgentStyleshseet_String_Multiple2() {
 150         StyleManager sm = StyleManager.getInstance();


 274     @Test
 275     public void testForgetParent() {
 276 
 277         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 278 
 279         StyleManager sm = StyleManager.getInstance();
 280         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 281 
 282         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 283         assertEquals(0,index);
 284 
 285         sm.forget(scene.getRoot());
 286 
 287         // forgetting the scene should not affect the platform user-agent stylesheets
 288         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 289         assertEquals(0,index);
 290 
 291     }
 292 
 293     @Test



















 294     public void testForgetParent_withSceneUAStylesheet() {
 295 
 296         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 297         scene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 298 
 299         StyleManager sm = StyleManager.getInstance();
 300         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 301 
 302 //        sm.findMatchingStyles(scene.getRoot(), null, null);
 303 
 304         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 305         assertEquals(0,index);
 306 
 307         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 308         assertEquals(-1, index);
 309 
 310         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 311         assertEquals(0,index);
 312 
 313         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");


 329     public void testForgetParent_withTwoScenes() {
 330         Scene scene0 = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 331         scene0.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 332 
 333         Scene scene1 = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 334         scene1.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 335 
 336         StyleManager sm = StyleManager.getInstance();
 337         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 338 
 339         // even though there are two scenes using this stylesheet, there should only be one container.
 340         assertEquals(1, sm.userAgentStylesheetContainers.size());
 341 
 342         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 343         assertEquals(0,index);
 344 
 345         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 346         assertEquals(-1, index);
 347 
 348         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 349         assertEquals(0,index);
 350 
 351         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 352         assertEquals(-1, index);
 353 
 354         sm.forget(scene0.getRoot());
 355 
 356         // forgetting the scene should not affect the platform user-agent stylesheets
 357         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 358         assertEquals(0,index);
 359 
 360         // we should still have ua1.css since scene1 is still using it
 361         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 362         assertEquals(0,index);
 363 
 364         sm.forget(scene1.getRoot());
 365 
 366         // only forgetting the scene should affect the platform user-agent stylesheets
 367         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 368         assertEquals(0, index);
 369     }


 438         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 439         assertEquals(0,index);
 440 
 441         sm.forget(scene);
 442 
 443         // forgetting the scene should not affect the platform user-agent stylesheets
 444         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 445         assertEquals(0,index);
 446     }
 447 
 448     @Test
 449     public void testForgetScene_withUAStylesheet() {
 450 
 451         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 452         scene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 453 
 454         StyleManager sm = StyleManager.getInstance();
 455         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 456 
 457         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 458         assertEquals(0,index);
 459 
 460         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 461         assertEquals(-1, index);
 462 
 463         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 464         assertEquals(0,index);
 465 
 466         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 467         assertEquals(-1, index);
 468 
 469         sm.forget(scene);
 470 
 471         // forgetting the scene should not affect the platform user-agent stylesheets
 472         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 473         assertEquals(0,index);
 474 
 475         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 476         assertEquals(-1, index);
 477 
 478     }


 534 
 535         sm.forget(subScene);
 536 
 537         // forgetting the scene should not affect the platform user-agent stylesheets
 538         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 539         assertEquals(0,index);
 540     }
 541 
 542     @Test
 543     public void testForgetSubScene_withUAStylesheet() {
 544 
 545         Pane subSceneRoot = new Pane(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 546         SubScene subScene = new SubScene(subSceneRoot, 100, 100);
 547         subScene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 548         Scene scene = new Scene(new Group(subScene));
 549 
 550         StyleManager sm = StyleManager.getInstance();
 551         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 552 
 553         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 554         assertEquals(0,index);
 555 
 556         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 557         assertEquals(-1, index);
 558 
 559         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 560         assertEquals(0,index);
 561 
 562         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 563         assertEquals(-1, index);
 564 
 565         sm.forget(subScene);
 566 
 567         // forgetting the scene should not affect the platform user-agent stylesheets
 568         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 569         assertEquals(0,index);
 570 
 571         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 572         assertEquals(-1, index);
 573 
 574     }


 871     public void testGetCacheContainer_subScene() {
 872 
 873         SubScene subScene = new SubScene(null, 0, 0);
 874 
 875         StyleManager sm = StyleManager.getInstance();
 876 
 877         // no scene, should return null
 878         StyleManager.CacheContainer container = sm.getCacheContainer(null, subScene);
 879 
 880         assertNull(container);
 881 
 882         // has scene, should return non-null
 883         subScene.setRoot(new Group());
 884         Scene scene = new Scene(new Group(subScene));
 885         container = sm.getCacheContainer(null, subScene);
 886 
 887         assertNotNull(container);
 888 
 889     }
 890 



















































 891 }


 110         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 111         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 112         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 113 
 114         assertTrue(sm.platformUserAgentStylesheetContainers.size() == 2);
 115 
 116         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 117         assertEquals(0,index);
 118 
 119         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 120         assertEquals(1, index);
 121 
 122     }
 123 
 124     @Test
 125     public void testSetDefaultUserAgentStyleshseet_String() {
 126         StyleManager sm = StyleManager.getInstance();
 127         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 128 
 129         int index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua0.css");
 130         assertEquals(0, index);
 131     }
 132 
 133     @Test
 134     public void testSetUserAgentStyleshseet_String_Multiple() {
 135         StyleManager sm = StyleManager.getInstance();
 136         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 137         sm.addUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 138 
 139         assertTrue(sm.platformUserAgentStylesheetContainers.size() == 2);
 140 
 141         int index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua0.css");
 142         assertEquals(0,index);
 143 
 144         index = indexOf(sm.platformUserAgentStylesheetContainers, "/com/sun/javafx/css/ua1.css");
 145         assertEquals(1, index);
 146     }
 147 
 148     @Test
 149     public void testSetUserAgentStyleshseet_String_Multiple2() {
 150         StyleManager sm = StyleManager.getInstance();


 274     @Test
 275     public void testForgetParent() {
 276 
 277         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 278 
 279         StyleManager sm = StyleManager.getInstance();
 280         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 281 
 282         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 283         assertEquals(0,index);
 284 
 285         sm.forget(scene.getRoot());
 286 
 287         // forgetting the scene should not affect the platform user-agent stylesheets
 288         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 289         assertEquals(0,index);
 290 
 291     }
 292 
 293     @Test
 294     public void testForgetParent_withStylesheets() {
 295 
 296         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 297 
 298         StyleManager sm = StyleManager.getInstance();
 299         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 300 
 301         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 302         assertEquals(0,index);
 303 
 304         sm.forget(scene.getRoot());
 305 
 306         // forgetting the scene should not affect the platform user-agent stylesheets
 307         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 308         assertEquals(0,index);
 309 
 310     }
 311 
 312     @Test
 313     public void testForgetParent_withSceneUAStylesheet() {
 314 
 315         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 316         scene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 317 
 318         StyleManager sm = StyleManager.getInstance();
 319         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 320 
 321 //        sm.findMatchingStyles(scene.getRoot(), null, null);
 322 
 323         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 324         assertEquals(0,index);
 325 
 326         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 327         assertEquals(-1, index);
 328 
 329         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 330         assertEquals(0,index);
 331 
 332         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");


 348     public void testForgetParent_withTwoScenes() {
 349         Scene scene0 = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 350         scene0.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 351 
 352         Scene scene1 = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 353         scene1.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 354 
 355         StyleManager sm = StyleManager.getInstance();
 356         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 357 
 358         // even though there are two scenes using this stylesheet, there should only be one container.
 359         assertEquals(1, sm.userAgentStylesheetContainers.size());
 360 
 361         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 362         assertEquals(0,index);
 363 
 364         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 365         assertEquals(-1, index);
 366 
 367         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 368         assertEquals(0, index);
 369 
 370         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 371         assertEquals(-1, index);
 372 
 373         sm.forget(scene0.getRoot());
 374 
 375         // forgetting the scene should not affect the platform user-agent stylesheets
 376         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 377         assertEquals(0,index);
 378 
 379         // we should still have ua1.css since scene1 is still using it
 380         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 381         assertEquals(0,index);
 382 
 383         sm.forget(scene1.getRoot());
 384 
 385         // only forgetting the scene should affect the platform user-agent stylesheets
 386         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 387         assertEquals(0, index);
 388     }


 457         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 458         assertEquals(0,index);
 459 
 460         sm.forget(scene);
 461 
 462         // forgetting the scene should not affect the platform user-agent stylesheets
 463         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 464         assertEquals(0,index);
 465     }
 466 
 467     @Test
 468     public void testForgetScene_withUAStylesheet() {
 469 
 470         Scene scene = new Scene(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 471         scene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 472 
 473         StyleManager sm = StyleManager.getInstance();
 474         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 475 
 476         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 477         assertEquals(0, index);
 478 
 479         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 480         assertEquals(-1, index);
 481 
 482         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 483         assertEquals(0,index);
 484 
 485         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 486         assertEquals(-1, index);
 487 
 488         sm.forget(scene);
 489 
 490         // forgetting the scene should not affect the platform user-agent stylesheets
 491         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 492         assertEquals(0,index);
 493 
 494         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 495         assertEquals(-1, index);
 496 
 497     }


 553 
 554         sm.forget(subScene);
 555 
 556         // forgetting the scene should not affect the platform user-agent stylesheets
 557         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 558         assertEquals(0,index);
 559     }
 560 
 561     @Test
 562     public void testForgetSubScene_withUAStylesheet() {
 563 
 564         Pane subSceneRoot = new Pane(new Group(new Rectangle(){{ getStyleClass().add("rect"); }}));
 565         SubScene subScene = new SubScene(subSceneRoot, 100, 100);
 566         subScene.setUserAgentStylesheet("/com/sun/javafx/css/ua1.css");
 567         Scene scene = new Scene(new Group(subScene));
 568 
 569         StyleManager sm = StyleManager.getInstance();
 570         sm.setDefaultUserAgentStylesheet("/com/sun/javafx/css/ua0.css");
 571 
 572         int index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 573         assertEquals(0, index);
 574 
 575         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 576         assertEquals(-1, index);
 577 
 578         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 579         assertEquals(0,index);
 580 
 581         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 582         assertEquals(-1, index);
 583 
 584         sm.forget(subScene);
 585 
 586         // forgetting the scene should not affect the platform user-agent stylesheets
 587         index = indexOf(sm.platformUserAgentStylesheetContainers,"/com/sun/javafx/css/ua0.css");
 588         assertEquals(0,index);
 589 
 590         index = indexOf(sm.userAgentStylesheetContainers,"/com/sun/javafx/css/ua1.css");
 591         assertEquals(-1, index);
 592 
 593     }


 890     public void testGetCacheContainer_subScene() {
 891 
 892         SubScene subScene = new SubScene(null, 0, 0);
 893 
 894         StyleManager sm = StyleManager.getInstance();
 895 
 896         // no scene, should return null
 897         StyleManager.CacheContainer container = sm.getCacheContainer(null, subScene);
 898 
 899         assertNull(container);
 900 
 901         // has scene, should return non-null
 902         subScene.setRoot(new Group());
 903         Scene scene = new Scene(new Group(subScene));
 904         container = sm.getCacheContainer(null, subScene);
 905 
 906         assertNotNull(container);
 907 
 908     }
 909 
 910     @Test
 911     public void testRT_37025() {
 912 
 913         //
 914         // The issue in RT-37025 was that the stylesheet container wasn't getting removed even
 915         // though the parent had been forgotten. The StyleManager#forget(Parent) method didn't
 916         // look to see if _any_ stylesheet container had the parent as a reference.
 917         //
 918         final StyleManager sm = StyleManager.getInstance();
 919 
 920         // This test needs a bit more complexity to the scene-graph
 921         Group group = null;
 922         Pane pane = new Pane(
 923                 new Group(
 924                         new Pane(
 925                                 // I want these to be a Parent, not a Node
 926                                 new Group(new Pane(){{ getStyleClass().add("rect"); }}),
 927                                 group = new Group(new Pane(){{ getStyleClass().add("rect"); }})
 928                         )
 929                 )
 930         );
 931         pane.getStylesheets().add("/com/sun/javafx/css/ua0.css");
 932         group.getStylesheets().add("/com/sun/javafx/css/ua1.css");
 933 
 934         Group root = new Group(pane);
 935         Scene scene = new Scene(root);
 936 
 937         root.applyCss();
 938 
 939         assertTrue(sm.stylesheetContainerMap.containsKey("/com/sun/javafx/css/ua0.css"));
 940         StyleManager.StylesheetContainer container = sm.stylesheetContainerMap.get("/com/sun/javafx/css/ua0.css");
 941         assertEquals(7, container.parentUsers.list.size());
 942 
 943         assertTrue(sm.stylesheetContainerMap.containsKey("/com/sun/javafx/css/ua1.css"));
 944         container = sm.stylesheetContainerMap.get("/com/sun/javafx/css/ua1.css");
 945         assertEquals(2, container.parentUsers.list.size());
 946 
 947         ((Pane)group.getParent()).getChildren().remove(group);
 948 
 949         assertFalse(sm.stylesheetContainerMap.containsKey("/com/sun/javafx/css/ua1.css"));
 950         assertTrue(sm.stylesheetContainerMap.containsKey("/com/sun/javafx/css/ua0.css"));
 951         container = sm.stylesheetContainerMap.get("/com/sun/javafx/css/ua0.css");
 952         assertEquals(5, container.parentUsers.list.size());
 953 
 954         scene.setRoot(new Group());
 955         assertFalse(sm.stylesheetContainerMap.containsKey("/com/sun/javafx/css/ua0.css"));
 956         assertFalse(StyleManager.cacheContainerMap.containsKey(root));
 957         assertTrue(StyleManager.cacheContainerMap.containsKey(scene.getRoot()));
 958 
 959     }
 960 
 961 }