Map-values-2.js - mozsearch

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// map.keys() and map.values() return iterators over the key or the value,

// respectively, of each key-value pair in the map.

load(libdir + "iteration.js");

var data = [["one", 1], ["two", 2], ["three", 3], ["four", 4]];

var m = new Map(data);

var ki = m.keys();

assertIteratorNext(ki, "one");

assertIteratorNext(ki, "two");

assertIteratorNext(ki, "three");

assertIteratorNext(ki, "four");

assertIteratorDone(ki, undefined);

assertDeepEq([...m.keys()], ["one", "two", "three", "four"]);

assertDeepEq([...m.values()], [1, 2, 3, 4]);

assertDeepEq([...m.entries()], data);