Test that we do not overflow the stack while handling regular expressions On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 0 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 10 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 20 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 30 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 40 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 50 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 60 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 70 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 80 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 90 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. Creating RegExp at depth 100 PASS new RegExp(Array(500000).join("(") + "a" + Array(500000).join(")")) threw exception RangeError: Out of memory: Invalid regular expression: too many nested disjunctions. PASS new RegExp(expression) threw exception SyntaxError: Invalid regular expression: regular expression too large. PASS successfullyParsed is true TEST COMPLETE