37 lines
1.2 KiB
HTML
37 lines
1.2 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Test recursive `Document.execCommand()` calls</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div contenteditable><br></div>
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<script>
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"use strict";
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setup({explicit_done: true});
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/**
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* This test checks whether the browser allows or disallows recursive
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* Document.execCommand() calls.
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* https://github.com/w3c/editing/issues/200#issuecomment-578097441
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*/
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function runTests() {
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test(function () {
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let editor = document.querySelector("div[contenteditable]");
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editor.focus();
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let counter = 0;
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editor.addEventListener("input", event => {
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if (++counter < 10) {
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let result = document.execCommand("insertText", false, `, ${counter}`);
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assert_false(result,
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'`execCommand("insertText") in the "input" event listener should return `false`');
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}
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});
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document.execCommand("insertText", false, "0");
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assert_equals(editor.textContent, "0",
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'`execCommand("insertText") in the "input" event listener should do nothing');
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}, "Recursive `Document.execCommand()` shouldn't be supported");
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done();
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}
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window.addEventListener("load", runTests, {once: true});
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</script>
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