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| 1 description("Tests whether immutable properties can not be modified."); | 1 description("Tests whether immutable properties can not be modified."); | 
| 2 | 2 | 
| 3 var svgDoc = document.implementation.createDocument("http://www.w3.org/2000/svg"
    , "svg", null); | 3 var svgDoc = document.implementation.createDocument("http://www.w3.org/2000/svg"
    , "svg", null); | 
| 4 | 4 | 
| 5 // 'viewport' attribute is immutable (Spec: The object itself and its contents a
    re both readonly.) | 5 // 'viewport' attribute is immutable (Spec: The object itself and its contents a
    re both readonly.) | 
| 6 var viewport = svgDoc.documentElement.viewport; | 6 var viewport = svgDoc.documentElement.viewport; | 
| 7 | 7 | 
| 8 shouldBe("viewport.x", "0"); | 8 shouldBe("viewport.x", "0"); | 
| 9 viewport.x = 100; | 9 viewport.x = 100; | 
| 10 | 10 | 
| 11 shouldBe("viewport.x", "100"); | 11 shouldBe("viewport.x", "100"); | 
| 12 shouldBe("svgDoc.documentElement.viewport.x", "0"); | 12 shouldBe("svgDoc.documentElement.viewport.x", "0"); | 
| 13 | 13 | 
| 14 // Every attribute of SVGZoomEvent is immutable (Spec: The object itself and its
     contents are both readonly.) |  | 
| 15 var zoomEvent = svgDoc.createEvent("SVGZoomEvents"); |  | 
| 16 |  | 
| 17 // 'zoomRectScreen' property |  | 
| 18 var zoomRectScreen = zoomEvent.zoomRectScreen; |  | 
| 19 |  | 
| 20 shouldBe("zoomRectScreen.x", "0"); |  | 
| 21 shouldThrow("zoomRectScreen.x = 100;"); |  | 
| 22 |  | 
| 23 // 'previousScale' property |  | 
| 24 shouldBe("zoomEvent.previousScale", "0") |  | 
| 25 zoomEvent.previousScale = 200; |  | 
| 26 shouldBe("zoomEvent.previousScale", "0") |  | 
| 27 |  | 
| 28 // 'previousTranslate' property |  | 
| 29 var previousTranslate = zoomEvent.previousTranslate; |  | 
| 30 |  | 
| 31 shouldBe("previousTranslate.x", "0"); |  | 
| 32 shouldThrow("previousTranslate.x = 300;"); |  | 
| 33 |  | 
| 34 shouldBe("zoomEvent.previousTranslate.x", "0"); |  | 
| 35 |  | 
| 36 // 'newScale' property |  | 
| 37 shouldBe("zoomEvent.newScale", "0"); |  | 
| 38 shouldThrow("zoomEvent.newScale = 200;"); |  | 
| 39 shouldBe("zoomEvent.newScale", "0"); |  | 
| 40 |  | 
| 41 // 'newTranslate' property |  | 
| 42 var newTranslate = zoomEvent.newTranslate; |  | 
| 43 |  | 
| 44 shouldBe("newTranslate.x", "0"); |  | 
| 45 shouldThrow("newTranslate.x = 300;"); |  | 
| 46 shouldBe("newTranslate.x", "0"); |  | 
| 47 |  | 
| 48 var successfullyParsed = true; | 14 var successfullyParsed = true; | 
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