You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.0 KiB
117 lines
3.0 KiB
'use strict';
|
|
|
|
var test = require('tape');
|
|
var isDescriptor = require('../');
|
|
var noop = function () {};
|
|
|
|
test('isDescriptor', function (t) {
|
|
t.test('is false when not an object:', function (st) {
|
|
st.notOk(isDescriptor('a'));
|
|
st.notOk(isDescriptor(null));
|
|
st.notOk(isDescriptor([]));
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.test('returns true if the property exists', function (st) {
|
|
var obj = { foo: null };
|
|
|
|
Object.defineProperty(obj, 'bar', {
|
|
value: 'xyz'
|
|
});
|
|
|
|
Object.defineProperty(obj, 'baz', {
|
|
get: function () {
|
|
return 'aaa';
|
|
}
|
|
});
|
|
|
|
st.ok(isDescriptor(obj, 'foo'));
|
|
st.ok(isDescriptor(obj, 'bar'));
|
|
st.ok(isDescriptor(obj, 'baz'));
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.test('data descriptor:', function (st) {
|
|
st.test('is false when the object has invalid properties:', function (s2t) {
|
|
s2t.notOk(isDescriptor({ value: 'foo', get: noop }));
|
|
s2t.notOk(isDescriptor({ get: noop, value: noop }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is not false when the object has unrecognize properties:', function (s2t) {
|
|
s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
|
|
s2t.ok(isDescriptor({ value: 'foo', bar: 'baz' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is true when the object has valid properties:', function (s2t) {
|
|
s2t.ok(isDescriptor({ value: 'foo' }));
|
|
s2t.ok(isDescriptor({ value: noop }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is false when a value is not the correct type:', function (s2t) {
|
|
s2t.notOk(isDescriptor({ value: 'foo', enumerable: 'foo' }));
|
|
s2t.notOk(isDescriptor({ value: 'foo', configurable: 'foo' }));
|
|
s2t.notOk(isDescriptor({ value: 'foo', writable: 'foo' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.test('accessor descriptor:', function (st) {
|
|
st.test('should be false when the object has invalid properties:', function (s2t) {
|
|
s2t.ok(!isDescriptor({ get: noop, writable: true }));
|
|
s2t.ok(!isDescriptor({ get: noop, value: true }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is not false when the object has unrecognize properties:', function (s2t) {
|
|
s2t.ok(isDescriptor({ get: noop, set: noop, bar: 'baz' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is false when an accessor is not a function:', function (s2t) {
|
|
s2t.notOk(isDescriptor({ get: noop, set: 'baz' }));
|
|
s2t.notOk(isDescriptor({ get: 'foo', set: noop }));
|
|
s2t.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
|
|
s2t.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is false when "get" or "set" is not a function', function (s2t) {
|
|
s2t.notOk(isDescriptor({ set: 'foo' }));
|
|
s2t.notOk(isDescriptor({ get: 'foo' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is true when the object has valid properties:', function (s2t) {
|
|
s2t.ok(isDescriptor({ get: noop, set: noop }));
|
|
s2t.ok(isDescriptor({ get: noop }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.test('is false when a value is not the correct type:', function (s2t) {
|
|
s2t.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
|
|
s2t.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
|
|
s2t.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
|
|
|
|
s2t.end();
|
|
});
|
|
|
|
st.end();
|
|
});
|
|
});
|