michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  * Contributor:
michael@0:  *   Andreas Gal <gal@mozilla.com>
michael@0:  */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 547941;
michael@0: var summary = 'js weak maps';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:     enterFunc ('test');
michael@0:     printBugNumber(BUGNUMBER);
michael@0:     printStatus(summary);
michael@0: 
michael@0:     var TestPassCount = 0;
michael@0:     var TestFailCount = 0;
michael@0:     var TestTodoCount = 0;
michael@0: 
michael@0:     var TODO = 1;
michael@0: 
michael@0:     function check(fun, todo) {
michael@0:         var thrown = null;
michael@0:         var success = false;
michael@0:         try {
michael@0:             success = fun();
michael@0:         } catch (x) {
michael@0:             thrown = x;
michael@0:         }
michael@0: 
michael@0:         if (thrown)
michael@0:             success = false;
michael@0: 
michael@0:         if (todo) {
michael@0:             TestTodoCount++;
michael@0: 
michael@0:             if (success) {
michael@0:                 var ex = new Error;
michael@0:                 print ("=== TODO but PASSED? ===");
michael@0:                 print (ex.stack);
michael@0:                 print ("========================");
michael@0:             }
michael@0: 
michael@0:             return;
michael@0:         }
michael@0: 
michael@0:         if (success) {
michael@0:             TestPassCount++;
michael@0:         } else {
michael@0:             TestFailCount++;
michael@0: 
michael@0:             var ex = new Error;
michael@0:             print ("=== FAILED ===");
michael@0:             print (ex.stack);
michael@0:             if (thrown) {
michael@0:                 print ("    threw exception:");
michael@0:                 print (thrown);
michael@0:             }
michael@0:             print ("==============");
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     function checkThrows(fun, todo) {
michael@0:         let thrown = false;
michael@0:         try {
michael@0:             fun();
michael@0:         } catch (x) {
michael@0:             thrown = true;
michael@0:         }
michael@0: 
michael@0:         check(function() thrown, todo);
michael@0:     }
michael@0: 
michael@0:     var key = {};
michael@0:     var map = WeakMap();
michael@0: 
michael@0:     check(function() !map.has(key));
michael@0:     map.set(key, 42);
michael@0:     check(function() map.get(key) == 42);
michael@0:     check(function() typeof map.get({}) == "undefined");
michael@0:     check(function() map.get({}, "foo") == "foo");
michael@0: 
michael@0:     gc(); gc(); gc();
michael@0: 
michael@0:     check(function() map.get(key) == 42);
michael@0:     map.delete(key);
michael@0:     check(function() typeof map.get(key) == "undefined");
michael@0:     check(function() !map.has(key));
michael@0: 
michael@0:     var value = { };
michael@0:     map.set(new Object(), value);
michael@0:     gc(); gc(); gc();
michael@0: 
michael@0:     print ("done");
michael@0: 
michael@0:     reportCompare(0, TestFailCount, "weak map tests");
michael@0: 
michael@0:     exitFunc ('test');
michael@0: }