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index.js

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var test = require('../util/test')(__filename);
var remove = require('../../packages/array-remove');
test('returns elements unique to first array', function(t) {
t.plan(4);
var arr1 = [1, 2, 3, 4, 5, 6];
var arr2 = [1, 3, 6];
t.deepEqual(remove(arr1, arr2), [2, 4, 5]);
arr1 = ['a', 'b', 'c', 'd'];
arr2 = ['c', 'd'];
t.deepEqual(remove(arr1, arr2), ['a', 'b']);
arr1 = [1, 2, 3, 4, 5, 6];
arr2 = [];
t.deepEqual(remove(arr1, arr2), [1, 2, 3, 4, 5, 6]);
arr1 = [];
arr2 = [1, 2, 3, 4, 5, 6];
t.deepEqual(remove(arr1, arr2), []);
t.end();
});
test("throws if first two arguments aren't arrays", function(t) {
t.plan(8);
var arr1 = [1, 2, 3, 4, 5];
var arr2 = [6, 7, 8, 9, 10];
t.throws(function() {
remove(undefined, arr2);
});
t.throws(function() {
remove(null, arr2);
});
t.throws(function() {
remove({}, arr2);
});
t.throws(function() {
remove('a', arr2);
});
t.throws(function() {
remove(arr1, undefined);
});
t.throws(function() {
remove(arr1, null);
});
t.throws(function() {
remove(arr1, {});
});
t.throws(function() {
remove(arr1, 'a');
});
t.end();
});
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