71 lines
2.4 KiB
JavaScript
71 lines
2.4 KiB
JavaScript
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'use strict';
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require('../auto');
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var test = require('tape');
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var forEach = require('for-each');
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var shims = require('../');
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forEach(shims, function (shim) {
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var shimTests;
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try {
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shimTests = require('./' + shim); // eslint-disable-line global-require
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} catch (e) {
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test(shim + ': shimmed', { todo: true });
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}
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if (shimTests) {
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shimTests.shimmed();
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}
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});
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test('integration', function (t) {
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var seenMapEveryMap = [];
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var seenMapEveryEvery = [];
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var mapEveryResult = Iterator.from([1, 2, 3, 4, 5]).map(function (x) {
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seenMapEveryMap.push(x);
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return x * x;
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}).every(function (x) {
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seenMapEveryEvery.push(x);
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return x < 10;
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});
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t.equal(mapEveryResult, false, 'map + every: every predicate returned false nonzero times');
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t.deepEqual(seenMapEveryMap, [1, 2, 3, 4], 'map + every, map: all values are seen until after the first one that is > 10 when squared');
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t.deepEqual(seenMapEveryEvery, [1, 4, 9, 16], 'map + every, every: all values are seen until after the first one that is > 10 when squared');
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var seenMapSomeMap = [];
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var seenMapSomeSome = [];
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var mapSomeResult = Iterator.from([1, 2, 3, 4, 5]).map(function (x) {
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seenMapSomeMap.push(x);
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return x * x;
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}).some(function (x) {
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seenMapSomeSome.push(x);
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return x > 10;
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});
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t.equal(mapSomeResult, true, 'map + some: some predicate returned true nonzero times');
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t.deepEqual(seenMapSomeMap, [1, 2, 3, 4], 'map + some, map: all values are seen until after the first one that is > 10 when squared');
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t.deepEqual(seenMapSomeSome, [1, 4, 9, 16], 'map + some, some: all values are seen until after the first one that is > 10 when squared');
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var seenMapFind = [];
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var mapFindResult = Iterator.from([1, 2, 3, 4, 5]).map(function (x) {
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seenMapFind.push(x);
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return x * x;
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}).find(function (x) {
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return x > 10;
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});
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t.equal(mapFindResult, 16, 'map + find: find found the first mapped value over 10');
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t.deepEqual(seenMapFind, [1, 2, 3, 4], 'map + find: all values are seen until after the first one that is > 10 when squared');
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var seenFilterEvery = [];
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var filterEveryResult = Iterator.from([1, 2, 3, 4, 5]).filter(function (x) {
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seenFilterEvery.push(x);
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return x;
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}).every(function (x) {
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return x <= 3;
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});
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t.equal(filterEveryResult, false, 'filter + every: every predicate returned false nonzero times');
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t.deepEqual(seenMapFind, [1, 2, 3, 4], 'filter + every: all values are seen until after the first one that is > 10 when squared');
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t.end();
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});
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