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Diffstat (limited to 'dom/events/test/test_DataTransferItemList.html')
| -rw-r--r-- | dom/events/test/test_DataTransferItemList.html | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/dom/events/test/test_DataTransferItemList.html b/dom/events/test/test_DataTransferItemList.html new file mode 100644 index 0000000000..1d093c8cf7 --- /dev/null +++ b/dom/events/test/test_DataTransferItemList.html @@ -0,0 +1,233 @@ +<html> +<head> + <title>Tests for the DataTransferItemList object</title> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> +</head> +<body style="height: 300px; overflow: auto;"> +<p id="display"> </p> +<img id="image" draggable="true" src="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%18%00%00%00%18%02%03%00%00%00%9D%19%D5k%00%00%00%04gAMA%00%00%B1%8F%0B%FCa%05%00%00%00%0CPLTE%FF%FF%FF%FF%FF%FF%F7%DC%13%00%00%00%03%80%01X%00%00%00%01tRNS%08N%3DPT%00%00%00%01bKGD%00%88%05%1DH%00%00%00%09pHYs%00%00%0B%11%00%00%0B%11%01%7Fd_%91%00%00%00%07tIME%07%D2%05%0C%14%0C%0D%D8%3F%1FQ%00%00%00%5CIDATx%9C%7D%8E%CB%09%C0%20%10D%07r%B7%20%2F%E9wV0%15h%EA%D9%12D4%BB%C1x%CC%5C%1E%0C%CC%07%C0%9C0%9Dd7()%C0A%D3%8D%E0%B8%10%1DiCHM%D0%AC%D2d%C3M%F1%B4%E7%FF%10%0BY%AC%25%93%CD%CBF%B5%B2%C0%3Alh%CD%AE%13%DF%A5%F7%E0%03byW%09A%B4%F3%E2%00%00%00%00IEND%AEB%60%82"> +<div id="over" style="width: 100px; height: 100px; border: 2px black dashed;"> + drag over here +</div> + +<script> + function spin() { + // Defer to the event loop twice to wait for any events to be flushed out. + return new Promise(function(a) { + SimpleTest.executeSoon(function() { + SimpleTest.executeSoon(a) + }); + }); + } + + add_task(async function() { + await spin(); + var draggable = document.getElementById('image'); + var over = document.getElementById('over'); + + var dragstartFired = 0; + draggable.addEventListener('dragstart', onDragStart); + function onDragStart(e) { + draggable.removeEventListener('dragstart', onDragStart); + + var dt = e.dataTransfer; + dragstartFired++; + + ok(true, "dragStart event fired"); + var dtList = e.dataTransfer.items; + ok(dtList instanceof DataTransferItemList, + "DataTransfer.items returns a DataTransferItemList"); + + for (var i = 0; i < dtList.length; i++) { + var item = dtList[i]; + ok(item instanceof DataTransferItem, + "operator[] returns DataTransferItem objects"); + if (item.kind == "file") { + var file = item.getAsFile(); + ok(file instanceof File, "getAsFile() returns File objects"); + } + } + + dtList.clear(); + is(dtList.length, 0, "after .clear() DataTransferItemList should be empty"); + + dtList.add("this is some text", "text/plain"); + dtList.add("<a href='www.mozilla.org'>this is a link</a>", "text/html"); + dtList.add("http://www.mozilla.org", "text/uri-list"); + dtList.add("this is custom-data", "custom-data"); + + + var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html", + {type: "text/html"}); + + dtList.add(file); + + checkTypes(["text/plain", "text/html", "text/uri-list", "custom-data", "text/html"], + dtList, "DataTransferItemList.add test"); + + var files = e.dataTransfer.files; + is(files.length, 1, "DataTransfer.files should contain the one file we added earlier"); + is(files[0], file, "It should be the same file as the file we originally created"); + is(file, e.dataTransfer.mozGetDataAt("text/html", 1), + "It should be stored in index 1 for mozGetDataAt"); + + var file2 = new File(['<a id="c"><b id="d">yo!</b></a>'], "myotherfile.html", + {type: "text/html"}); + dtList.add(file2); + + todo(files.length == 2, "This test has chrome privileges, so the FileList objects aren't updated live"); + files = e.dataTransfer.files; + is(files.length, 2, "The files property should have been updated in place"); + is(files[1], file2, "It should be the same file as the file we originally created"); + is(file2, e.dataTransfer.mozGetDataAt("text/html", 2), + "It should be stored in index 2 for mozGetDataAt"); + + var oldLength = dtList.length; + var randomString = "foo!"; + e.dataTransfer.mozSetDataAt("random/string", randomString, 3); + is(oldLength, dtList.length, + "Adding a non-file entry to a non-zero index should not add an item to the items list"); + + var file3 = new File(['<a id="e"><b id="f">heya!</b></a>'], "yetanotherfile.html", + {type: "text/html"}); + e.dataTransfer.mozSetDataAt("random/string", file3, 3); + is(oldLength + 1, dtList.length, + "Replacing the entry with a file should add it to the list!"); + is(dtList[oldLength].getAsFile(), file3, "It should be stored in the last index as a file"); + is(dtList[oldLength].type, "text/html", "It should have the correct type"); + is(dtList[oldLength].kind, "file", "It should have the correct kind"); + + todo(files.length == 3, "This test has chrome privileges, so the FileList objects aren't updated live"); + files = e.dataTransfer.files; + is(files[files.length - 1], file3, "It should also be in the files list"); + + oldLength = dtList.length; + var nonstring = {}; + e.dataTransfer.mozSetDataAt("jsobject", nonstring, 0); + is(oldLength + 1, dtList.length, + "Adding a non-string object using the mozAPIs to index 0 should add an item to the dataTransfer"); + is(dtList[oldLength].type, "jsobject", "It should have the correct type"); + is(dtList[oldLength].kind, "other", "It should have the correct kind"); + + // Clear the event's data and get it set up so we can read it later! + dtList.clear(); + + dtList.add(file); + dtList.add("this is some text", "text/plain"); + is(e.dataTransfer.mozGetDataAt("text/html", 1), file); + } + + var getAsStringCalled = 0; + var dragenterFired = 0; + over.addEventListener('dragenter', onDragEnter); + function onDragEnter(e) { + over.removeEventListener('dragenter', onDragEnter); + + var dt = e.dataTransfer; + dragenterFired++; + + // NOTE: This test is run with chrome privileges. + // For back-compat reasons, protected mode acts like readonly mode for + // chrome documents. + readOnly(e); + } + + var dropFired = 0; + over.addEventListener('drop', onDrop); + function onDrop(e) { + over.removeEventListener('drop', onDrop); + + var dt = e.dataTransfer; + dropFired++; + e.preventDefault(); + + readOnly(e); + } + + + function readOnly(e) { + var dtList = e.dataTransfer.items; + var num = dtList.length; + + // .clear() should have no effect + dtList.clear(); + is(dtList.length, num, + ".clear() should have no effect on the object during a readOnly event"); + + // .remove(i) should throw InvalidStateError + for (var i = 0; i < dtList.length; i++) { + expectError(function() { dtList.remove(i); }, + "InvalidStateError", ".remove(" + i + ") during a readOnly event"); + } + + // .add() should return null and have no effect + var data = [["This is a plain string", "text/plain"], + ["This is <em>HTML!</em>", "text/html"], + ["http://www.mozilla.org/", "text/uri-list"], + ["this is some custom data", "custom-data"]]; + + for (var i = 0; i < data.length; i++) { + is(dtList.add(data[i][0], data[i][1]), null, + ".add() should return null during a readOnly event"); + + is(dtList.length, num, ".add() should have no effect during a readOnly event"); + } + + // .add() with a file should return null and have no effect + var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html", + {type: "text/html"}); + is(dtList.add(file), null, ".add() with a file should return null during a readOnly event"); + is(dtList.length, num, ".add() should have no effect during a readOnly event"); + + // We should be able to access the files + is(e.dataTransfer.files.length, 1, "Should be able to access files"); + ok(e.dataTransfer.files[0], "File should be the same file!"); + is(e.dataTransfer.items.length, 2, "Should be able to see there are 2 items"); + + is(e.dataTransfer.items[0].kind, "file", "First item should be a file"); + is(e.dataTransfer.items[1].kind, "string", "Second item should be a string"); + + is(e.dataTransfer.items[0].type, "text/html", "first item should be text/html"); + is(e.dataTransfer.items[1].type, "text/plain", "second item should be text/plain"); + + ok(e.dataTransfer.items[0].getAsFile(), "Should be able to get file"); + e.dataTransfer.items[1].getAsString(function(s) { + getAsStringCalled++; + is(s, "this is some text", "Should provide the correct string"); + }); + } + + synthesizeDrop(draggable, over, null, null); + + // Wait for the getAsString callbacks to complete + await spin(); + is(getAsStringCalled, 2, "getAsString should be called twice"); + + // Sanity-check to make sure that the events were actually run + is(dragstartFired, 1, "dragstart fired"); + is(dragenterFired, 1, "dragenter fired"); + is(dropFired, 1, "drop fired"); + }); + + function expectError(fn, eid, testid) { + var error = ""; + try { + fn(); + } catch (ex) { + error = ex.name; + } + is(error, eid, testid + " causes exception " + eid); + } + + function checkTypes(aExpectedList, aDtList, aTestid) { + is(aDtList.length, aExpectedList.length, aTestid + " length test"); + for (var i = 0; i < aExpectedList.length; i++) { + is(aDtList[i].type, aExpectedList[i], aTestid + " type " + i); + } + } +</script> + +</body> +</html> |