| <html><head></head><body> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| |
| description("Test the contains function that checks if a range contains another range.") |
| |
| function range(startContainer, startOffset, endContainer, endOffset) |
| { |
| return new StaticRange({ startContainer: startContainer, startOffset: startOffset, endContainer: endContainer, endOffset: endOffset }) |
| } |
| |
| function collapsedRange(container, offset) |
| { |
| return range(container, offset, container, offset) |
| } |
| |
| function contentsRange(node) |
| { |
| return range(node, 0, node, node.childNodes.length) |
| } |
| |
| function shouldContainSelf(a) |
| { |
| shouldBeTrue("internals.rangeContainsRange(" + a + ", " + a + ", 'ComposedTree')") |
| } |
| |
| function shouldBeNested(a, b) |
| { |
| shouldBeTrue("internals.rangeContainsRange(" + a + ", " + b + ", 'ComposedTree')") |
| shouldBeFalse("internals.rangeContainsRange(" + b + ", " + a + ", 'ComposedTree')") |
| } |
| |
| function shouldNotContain(a, b) |
| { |
| shouldBeFalse("internals.rangeContainsRange(" + a + ", " + b + ", 'ComposedTree')") |
| shouldBeFalse("internals.rangeContainsRange(" + b + ", " + a + ", 'ComposedTree')") |
| } |
| |
| let documentElement = document.documentElement; |
| let body = document.body; |
| |
| shouldContainSelf("contentsRange(document)") |
| shouldContainSelf("contentsRange(documentElement)") |
| shouldContainSelf("contentsRange(body)") |
| |
| shouldBeNested("contentsRange(document)", "contentsRange(documentElement)") |
| shouldBeNested("contentsRange(document)", "contentsRange(body)") |
| shouldBeNested("contentsRange(documentElement)", "contentsRange(body)") |
| |
| shouldBeNested("contentsRange(document)", "contentsRange(documentElement)") |
| |
| shouldBeNested("contentsRange(documentElement)", "contentsRange(body)") |
| |
| shouldBeNested("contentsRange(document)", "collapsedRange(document, 0)") |
| shouldBeNested("contentsRange(document)", "collapsedRange(document, 1)") |
| shouldNotContain("contentsRange(document)", "collapsedRange(document, 2)") |
| |
| shouldBeNested("range(document, 0, document, 2)", "contentsRange(document)") |
| shouldNotContain("contentsRange(document)", "range(document, 1, document, 2)") |
| |
| shouldNotContain("range(document, 0, documentElement, 0)", "contentsRange(body)") |
| shouldBeNested("range(document, 0, body, 0)", "collapsedRange(body, 0)") |
| |
| let a = document.createElement("div") |
| shouldNotContain("contentsRange(document)", "contentsRange(a)") |
| |
| body.appendChild(a) |
| |
| let b = document.createElement("div") |
| body.appendChild(b) |
| |
| let c = document.createElement("div") |
| b.appendChild(c) |
| |
| let d = document.createElement("div") |
| a.appendChild(d) |
| |
| let e = document.createElement("div") |
| let f = document.createElement("div") |
| e.appendChild(f) |
| shouldNotContain("contentsRange(body)", "contentsRange(f)") |
| |
| let g = document.createElement("textarea"); |
| c.appendChild(g) |
| let h = internals.ensureUserAgentShadowRoot(g).firstChild |
| shouldBeNested("contentsRange(body)", "contentsRange(h)") |
| |
| </script> |
| </body></html> |
