"": function()

in wicket-examples/src/main/webapp/js-test/lib/qunit.js [1088:1143]

• 39 lines of code
• 15 McCabe index (conditional complexity)

	"throws": function( block, expected, message ) {
		var actual, expectedType,
			expectedOutput = expected,
			ok = false;

		// 'expected' is optional unless doing string comparison
		if ( message == null && typeof expected === "string" ) {
			message = expected;
			expected = null;
		}

		this.test.ignoreGlobalErrors = true;
		try {
			block.call( this.test.testEnvironment );
		} catch (e) {
			actual = e;
		}
		this.test.ignoreGlobalErrors = false;

		if ( actual ) {
			expectedType = QUnit.objectType( expected );

			// we don't want to validate thrown error
			if ( !expected ) {
				ok = true;
				expectedOutput = null;

			// expected is a regexp
			} else if ( expectedType === "regexp" ) {
				ok = expected.test( errorString( actual ) );

			// expected is a string
			} else if ( expectedType === "string" ) {
				ok = expected === errorString( actual );

			// expected is a constructor, maybe an Error constructor
			} else if ( expectedType === "function" && actual instanceof expected ) {
				ok = true;

			// expected is an Error object
			} else if ( expectedType === "object" ) {
				ok = actual instanceof expected.constructor &&
					actual.name === expected.name &&
					actual.message === expected.message;

			// expected is a validation function which returns true if validation passed
			} else if ( expectedType === "function" && expected.call( {}, actual ) === true ) {
				expectedOutput = null;
				ok = true;
			}

			this.push( ok, actual, expectedOutput, message );
		} else {
			this.test.pushFailure( message, null, "No exception was thrown." );
		}
	}