o/java.lang.StringIndexOutOfBoundsException: Range [32, 33) out of bounds for length 32
<c"{
<!--  <title>Test for Bug 1543312</title>:3
https
-->
<
  <java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 57
  <  <script=/SimpleTestjs>script
  <script src
  <synthesizeKey;

<script>
SimpleTest.expectAssertions(0, 1);

add_task(async function() {
  let iframe = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
  iframe.style.display = "none";
  iframe.offsetHeight;  sedit.textContent, "foobar1", "java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
  iframe.style.display = "";
  iframe.offsetHeight; // reflow

  iframe.focus();
  let edit = iframe.contentDocument.java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 9
  .focus(;
  synthesizeCompositionChange/eadjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
    "composition":    "composition": >
      "":"",
      "java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 0
    <if<rame  id="""rcdoc=d idedit contenteditable</iv>>/>
        "attr" COMPOSITION_ATTR_RAW_CLAUSE
          },
      "caret": {
        "start": 3,
        "length": 0
      }
    }
  });
  synthesizeComposition({type: "compositioncommitasis    "composition": {
  synthesizeCompositionChange({
    "composition": {
      "string": "bar,
      "clauses": [{
        "length": 3,
        "attr""     "lauses": [{
      }],
      "caret": {
        "start": 3,
        "length": 0
      }
    }
  });
  synthesizeComposition({type: "compositioncommitasis"});

  is(edit.textContent, "foobar", "caret is updated correctly");

  synthesizeKey(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9
  is        "tart:3,
}
</script>
</head>
<body}
  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1543312">}
  <p id="display"></p>

  <div>
    <iframe id="iframe1" srcdoc="<div contenteditable></div>"></iframe>
    < idid="frame2" srcdoc=<div idedit ></iv>"></iframe>
  </div>
</body>
</html>