92 lines
2.2 KiB
JavaScript
92 lines
2.2 KiB
JavaScript
"use strict";
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var assert = require('chai').assert;
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var Multimap = require('..');
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var map = new Multimap([
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['a', 'one'],
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['b', 1],
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['a', 'two'],
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['b', 2]
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]);
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assert.equal(map.size, 4);
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assert.equal(map.count, 2);
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assert.equal(map.get('a').length, 2);
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assert.equal(map.get('a')[0], 'one'); // ['one', 'two']
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assert.equal(map.get('a')[1], 'two'); // ['one', 'two']
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assert.equal(map.get('b').length, 2);
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assert.equal(map.get('b')[0], 1); // [1, 2]
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assert.equal(map.get('b')[1], 2); // [1, 2]
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assert(map.has('a'), "map contains key 'a'");
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assert(!map.has('foo'), "map does not contain key 'foo'");
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assert(map.has('a', 'one'), "map contains entry 'a'=>'one'");
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assert(!map.has('b', 3), "map does not contain entry 'b'=>3");
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map.set('a', 'three');
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assert.equal(map.size, 5);
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assert.equal(map.count, 2);
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assert.equal(map.get('a').length, 3); // ['one', 'two', 'three']
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map.set('b', 3, 4);
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assert.equal(map.size, 7);
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assert.equal(map.count, 2);
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assert(map.delete('a', 'three'), "delete 'a'=>'three'");
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assert.equal(map.size, 6);
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assert.equal(map.count, 2);
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assert(!map.delete('x'), "empty 'x' for delete");
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assert(!map.delete('a', 'four'), "no such entry 'a'=>'four'");
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assert(map.delete('b'), "delete all 'b'");
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assert.equal(map.size, 2);
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assert.equal(map.count, 1);
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map.set('b', 1, 2);
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assert.equal(map.size, 4); // 4
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assert.equal(map.count, 2);
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var cnt = 0;
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map.forEach(function(value, key) {
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// iterates { 'a', 'one' }, { 'a', 'two' }, { 'b', 1 }, { 'b', 2 }
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cnt++;
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assert(key == 'a' || key == 'b', "key must be either 'a' or 'b'");
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});
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assert.equal(cnt, 4);
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cnt = 0;
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map.forEachEntry(function(entry, key) {
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// iterates { 'a', ['one', 'two'] }, { 'b', [1, 2] }
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cnt++;
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assert(key == 'a' || key == 'b', "key must be either 'a' or 'b'");
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assert.equal(entry.length, 2);
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});
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assert.equal(cnt, 2);
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var keys = map.keys(); // ['a', 'b']
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assert.equal(keys.next().value, 'a');
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assert.equal(keys.next().value, 'b');
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assert(keys.next().done);
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var values = map.values(); // ['one', 'two', 1, 2]
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assert.equal(values.next().value, 'one');
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assert.equal(values.next().value, 'two');
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assert.equal(values.next().value, 1);
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assert.equal(values.next().value, 2);
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assert(values.next().done);
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map.clear();
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assert.equal(map.size, 0);
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assert.equal(map.count, 0);
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