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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/es-abstract/test/helpers/OwnPropertyKeys.js
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Diffstat (limited to 'node_modules/es-abstract/test/helpers/OwnPropertyKeys.js')
-rw-r--r--node_modules/es-abstract/test/helpers/OwnPropertyKeys.js42
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js b/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js
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+'use strict';
+
+var test = require('tape');
+var hasSymbols = require('has-symbols')();
+
+var OwnPropertyKeys = require('../../helpers/OwnPropertyKeys');
+var defineProperty = require('./defineProperty');
+
+test('OwnPropertyKeys', function (t) {
+ t.deepEqual(OwnPropertyKeys({ a: 1, b: 2 }).sort(), ['a', 'b'].sort(), 'returns own string keys');
+
+ t.test('Symbols', { skip: !hasSymbols }, function (st) {
+ var o = { a: 1 };
+ var sym = Symbol();
+ o[sym] = 2;
+
+ st.deepEqual(OwnPropertyKeys(o), ['a', sym], 'returns own string and symbol keys');
+
+ st.end();
+ });
+
+ t.test('non-enumerables', { skip: !defineProperty.oDP }, function (st) {
+ var o = { a: 1, b: 42, c: NaN };
+ defineProperty(o, 'b', { enumerable: false, value: 42 });
+ defineProperty(o, 'c', { enumerable: false, get: function () { return NaN; } });
+
+ if (hasSymbols) {
+ defineProperty(o, 'd', { enumerable: false, value: true });
+ defineProperty(o, 'e', { enumerable: false, get: function () { return true; } });
+ }
+
+ st.deepEqual(
+ OwnPropertyKeys(o).sort(),
+ (hasSymbols ? ['a', 'b', 'c', 'd', 'e'] : ['a', 'b', 'c']).sort(),
+ 'returns non-enumerable own keys, including accessors and symbols if available'
+ );
+
+ st.end();
+ });
+
+ t.end();
+});