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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 98cc5c8bb77ef18be9c4464c8e66873654ade128 authored by Chris Lilley on 11 April 2018, 09:30:00 UTC
quick test to see if descriptor supported anywhere
Tip revision: 98cc5c8
input-events-get-target-ranges-manual.html 
<!DOCTYPE html>
<meta charset="utf-8">
<title>InputEvent.getTargetRanges() behavior</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<p>To manually run this test, please follow the steps below:<br/>
1. Place caret at the end of 'hel<i>lo wo</i><b>rld</b>'.<br/>
2. Press Ctrl-Backspace (Alt-Backspace on macOS) to delete word backwards.<br/>
3. Place caret at the end of 'test2' => Press 'a' key.<br/>
4. Select 'test2a' => Press 'b' key.<br/>
5. Select 'b' => Bold text through context menu or Command-b on macOS.<br/>
6. Place caret at the end of 'test3' => Press 'a' key => Press Backspace key.<br/>
<br/>
If a "PASS" result appears the test passes, otherwise it fails</p>
<p id="test1_editable" contenteditable>hel<i>lo wo</i><b>rld</b></p>
<p id="test2_editable" contenteditable>test2</p>
<textarea id="test3_plain">test3</textarea>
<script>
async_test(t => {
    const test1_editable = document.getElementById('test1_editable');
    let lastBeforeInput;
    test1_editable.addEventListener('beforeinput', t.step_func(event => {
        assert_equals(event.inputType, 'deleteWordBackward');
        const ranges = event.getTargetRanges();
        assert_equals(ranges.length, 1);
        const range = ranges[0];
        assert_true(range instanceof StaticRange);
        assert_equals(range.startOffset, 3);
        assert_equals(range.startContainer.textContent, 'lo wo');
        assert_equals(range.endOffset, 3);
        assert_equals(range.endContainer.textContent, 'rld');
        assert_equals(test1_editable.innerHTML, 'hel<i>lo wo</i><b>rld</b>');
        lastBeforeInput = event;
    }));

    test1_editable.addEventListener('input', t.step_func(event => {
        assert_equals(event.inputType, 'deleteWordBackward');
        assert_equals(test1_editable.innerHTML, 'hel<i>lo&nbsp;</i>');
        assert_equals(lastBeforeInput.inputType, 'deleteWordBackward');
        assert_equals(lastBeforeInput.getTargetRanges().length, 0,
            'getTargetRanges() should be empty after the event has finished dispatching.');
        t.done();
    }));
}, 'getTargetRanges() returns correct range and cleared after dispatch.');

async_test(t => {
    const expectedEventLog = ['test2-5-test2-5', 'test2a-0-test2a-6', 'b-0-b-1'];
    const actualEventLog = [];

    const test2_editable = document.getElementById('test2_editable');
    test2_editable.addEventListener('beforeinput', t.step_func(event => {
        const ranges = event.getTargetRanges();
        assert_equals(ranges.length, 1);
        const range = ranges[0];
        actualEventLog.push(
            `${range.startContainer.textContent}-${range.startOffset}-${range.endContainer.textContent}-${range.endOffset}`);

        if (actualEventLog.length == expectedEventLog.length) {
            assert_array_equals(actualEventLog, expectedEventLog,
                `Expected: ${expectedEventLog}; Actual: ${actualEventLog}.`);
            t.done();
        }
    }));
}, 'Actions other than deletion should have current selection as target ranges.');

async_test(t => {
    const test3_plain = document.getElementById('test3_plain');
    test3_plain.addEventListener('beforeinput', t.step_func(event => {
        assert_equals(event.getTargetRanges().length, 0,
            'getTargetRanges() should return empty array on textarea.');

        if (event.inputType === 'deleteContentBackward')
            t.done();
    }));
}, 'Textarea should have empty target range.');
</script>
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