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Show the line where JSON.parse throw an error #4314

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Show the line where JSON.parse throw an error #4314

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39 changes: 39 additions & 0 deletions html/webappapis/scripting/processing-model-2/JSON-runtime-error.html
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Original file line number Diff line number Diff line change
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<!doctype html>
<html>
<head>
<title>window.onerror - JSON runtime error in &lt;script></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id=log></div>
<script>
setup({allow_uncaught_exception:true});
var t = async_test();
var t_col = async_test(document.title+' (column)');
var ran = false;
var col_value;
window.onerror = t.step_func(function(a, b, c, d){
ran = true;
col_value = d;
assert_equals(typeof a, 'string', 'first arg');
assert_equals(b, location.href, 'second arg');
assert_equals(typeof c, 'number', 'third arg');
assert_equals(c, 26);
});
</script>
<script>
JSON.parse(undefined);
</script>
<script>
t.step(function(){
assert_true(ran, 'ran');
t.done();
});
t_col.step(function(){
assert_equals(typeof col_value, 'number', 'fourth arg');
t_col.done();
});
</script>
</body>
</html>