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/*---
defines: [testJSON]
allow_unused: True
---*/
function testJSON(str, expectSyntaxError)
{
// Leading and trailing whitespace never affect parsing, so test the string
// multiple times with and without whitespace around it as it's easy and can
// potentially detect bugs.
// Try the provided string
try
{
JSON.parse(str);
reportCompare(false, expectSyntaxError,
"string <" + str + "> " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON");
}
catch (e)
{
if (!(e instanceof SyntaxError))
{
reportCompare(true, false,
"parsing string <" + str + "> threw a non-SyntaxError " +
"exception: " + e);
}
else
{
reportCompare(true, expectSyntaxError,
"string <" + str + "> " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON, exception: " + e);
}
}
// Now try the provided string with trailing whitespace
try
{
JSON.parse(str + " ");
reportCompare(false, expectSyntaxError,
"string <" + str + " > " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON");
}
catch (e)
{
if (!(e instanceof SyntaxError))
{
reportCompare(true, false,
"parsing string <" + str + " > threw a non-SyntaxError " +
"exception: " + e);
}
else
{
reportCompare(true, expectSyntaxError,
"string <" + str + " > " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON, exception: " + e);
}
}
// Now try the provided string with leading whitespace
try
{
JSON.parse(" " + str);
reportCompare(false, expectSyntaxError,
"string < " + str + "> " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON");
}
catch (e)
{
if (!(e instanceof SyntaxError))
{
reportCompare(true, false,
"parsing string < " + str + "> threw a non-SyntaxError " +
"exception: " + e);
}
else
{
reportCompare(true, expectSyntaxError,
"string < " + str + "> " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON, exception: " + e);
}
}
// Now try the provided string with whitespace surrounding it
try
{
JSON.parse(" " + str + " ");
reportCompare(false, expectSyntaxError,
"string < " + str + " > " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON");
}
catch (e)
{
if (!(e instanceof SyntaxError))
{
reportCompare(true, false,
"parsing string < " + str + " > threw a non-SyntaxError " +
"exception: " + e);
}
else
{
reportCompare(true, expectSyntaxError,
"string < " + str + " > " +
"should" + (expectSyntaxError ? "n't" : "") + " " +
"have parsed as JSON, exception: " + e);
}
}
}