michael@0: // Copyright 2013 Mozilla Corporation. All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * @description Tests that the options minimumSignificantDigits and
michael@0:  *     maximumSignificantDigits are read in the right sequence.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: var read = 0;
michael@0: 
michael@0: function readMinimumSignificantDigits() {
michael@0:     ++read;
michael@0:     if (read === 1) {
michael@0:         return 0; // invalid value, but on first read that's OK
michael@0:     } else if (read === 3) {
michael@0:         return 1; // valid value
michael@0:     } else {
michael@0:         $ERROR("minimumSignificantDigits read out of sequence: " + read + ".");
michael@0:     }
michael@0: }
michael@0: 
michael@0: function readMaximumSignificantDigits() {
michael@0:     ++read;
michael@0:     if (read === 2) {
michael@0:         return 0; // invalid value, but on first read that's OK
michael@0:     } else if (read === 4) {
michael@0:         return 1; // valid value
michael@0:     } else {
michael@0:         $ERROR("maximumSignificantDigits read out of sequence: " + read + ".");
michael@0:     }
michael@0: }
michael@0: 
michael@0: var options = {};
michael@0: Object.defineProperty(options, "minimumSignificantDigits",
michael@0:     { get: readMinimumSignificantDigits });
michael@0: Object.defineProperty(options, "maximumSignificantDigits",
michael@0:     { get: readMaximumSignificantDigits });
michael@0: 
michael@0: new Intl.NumberFormat("de", options);
michael@0: 
michael@0: if (read !== 4) {
michael@0:     $ERROR("insuffient number of property reads: " + read + ".");
michael@0: }