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node_modules/ensure-array/test/simple.mocha.js

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+'use strict';
+
+var chai = require('chai');
+var ensureArray = require('../ensure-array.js');
+
+(function () {
+
+  var t = chai.assert;
+
+  suite('simple-tests');
+
+  test('empty arg list becomes empty array', function (done) {
+    var result = ensureArray();
+    t.deepEqual(result, [], 'should be empty array');
+    done();
+  });
+
+  test('undefined single argument becomes empty array', function (done) {
+    var result = ensureArray(undefined);
+    t.deepEqual(result, [], 'should be empty array');
+    done();
+  });
+
+  test('null single argument becomes empty array', function (done) {
+    var result = ensureArray(null);
+    t.deepEqual(result, [], 'should be empty array');
+    done();
+  });
+
+  test('array single argument returns itself unchanged', function (done) {
+    var result = ensureArray([1, 2, 3]);
+    t.deepEqual(result, [1, 2, 3]);
+    done();
+  });
+
+  test('single argument non-array becomes an array containing itself', function (done) {
+    var result = ensureArray(10);
+    t.deepEqual(result, [10]);
+    done();
+  });
+
+  test('undefined argument as first of many arguments returns array of all args', function (done) {
+    var result = ensureArray(undefined, 1, 'two');
+    t.deepEqual(result, [undefined, 1, 'two']);
+    done();
+  });
+
+  test('null argument as first of many arguments returns array of all args', function (done) {
+    var result = ensureArray(null, 1, 'two');
+    t.deepEqual(result, [null, 1, 'two']);
+    done();
+  });
+
+}());
+