testText("<div>", "abc", "abc", "Simplest possible test");
testHTML("<div>", "abc\ndef", "abc<br>def", "Newlines convert to <br> in non-white-space:pre elements");
testHTML("<pre>", "abc\ndef", "abc<br>def", "Newlines convert to <br> in <pre> element");
testHTML("<div style='white-space:pre'>", "abc\ndef", "abc<br>def", "Newlines convert to <br> in white-space:pre element");
testHTML("<div>", "abc\rdef", "abc<br>def", "CRs convert to <br> in non-white-space:pre elements");
testHTML("<pre>", "abc\rdef", "abc<br>def", "CRs convert to <br> in <pre> element");
testHTML("<div>", "abc\r\ndef", "abc<br>def", "Newline/CR pair converts to <br> in non-white-space:pre element");
testHTML("<div>", "abc\n\ndef", "abc<br><br>def", "Newline/newline pair converts to two <br>s in non-white-space:pre element");
testHTML("<div>", "abc\r\rdef", "abc<br><br>def", "CR/CR pair converts to two <br>s in non-white-space:pre element");
testHTML("<div style='white-space:pre'>", "abc\rdef", "abc<br>def", "CRs convert to <br> in white-space:pre element");
testText("<div>", "abc<def", "abc<def", "< preserved");
testText("<div>", "abc>def", "abc>def", "> preserved");
testText("<div>", "abc&", "abc&", "& preserved");
testText("<div>", "abc\"def", "abc\"def", "\" preserved");
testText("<div>", "abc\'def", "abc\'def", "\' preserved");
testHTML("<svg>", "abc", "", "innerText not supported on SVG elements");
testHTML("<math>", "abc", "", "innerText not supported on MathML elements");
testText("<div>", "abc\0def", "abc\0def", "Null characters preserved");
testText("<div>", "abc\tdef", "abc\tdef", "Tabs preserved");
testText("<div>", " abc", " abc", "Leading whitespace preserved");
testText("<div>", "abc ", "abc ", "Trailing whitespace preserved");
testText("<div>", "abc  def", "abc  def", "Whitespace not compressed");
testHTML("<div>abc\n\n", "abc", "abc", "Existing text deleted");
testHTML("<div><br>", "abc", "abc", "Existing <br> deleted");