15.5.4.20-1-1 (TestCases/chapter15/15.5/15.5.4/15.5.4.20/15.5.4.20-1-1.js) String.prototype.trim throws TypeError when string is undefined

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS ES5Harness.preconditionPassed is true
PASS ES5Harness.testPassed is true
PASS successfullyParsed is true

TEST COMPLETE