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156 lines
5.1 KiB
156 lines
5.1 KiB
var inspect = require('../');
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var test = require('tape');
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test('values', function (t) {
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t.plan(1);
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var obj = [{}, [], { 'a-b': 5 }];
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t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
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});
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test('arrays with properties', function (t) {
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t.plan(1);
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var arr = [3];
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arr.foo = 'bar';
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var obj = [1, 2, arr];
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obj.baz = 'quux';
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obj.index = -1;
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t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
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});
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test('has', function (t) {
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t.plan(1);
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var has = Object.prototype.hasOwnProperty;
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delete Object.prototype.hasOwnProperty;
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t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
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Object.prototype.hasOwnProperty = has; // eslint-disable-line no-extend-native
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});
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test('indexOf seen', function (t) {
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t.plan(1);
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var xs = [1, 2, 3, {}];
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xs.push(xs);
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var seen = [];
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seen.indexOf = undefined;
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t.equal(
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inspect(xs, {}, 0, seen),
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'[ 1, 2, 3, {}, [Circular] ]'
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);
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});
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test('seen seen', function (t) {
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t.plan(1);
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var xs = [1, 2, 3];
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var seen = [xs];
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seen.indexOf = undefined;
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t.equal(
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inspect(xs, {}, 0, seen),
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'[Circular]'
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);
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});
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test('seen seen seen', function (t) {
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t.plan(1);
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var xs = [1, 2, 3];
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var seen = [5, xs];
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seen.indexOf = undefined;
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t.equal(
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inspect(xs, {}, 0, seen),
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'[Circular]'
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);
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});
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test('symbols', { skip: typeof Symbol !== 'function' }, function (t) {
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var sym = Symbol('foo');
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t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
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t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
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t.end();
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});
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test('Map', { skip: typeof Map !== 'function' }, function (t) {
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var map = new Map();
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map.set({ a: 1 }, ['b']);
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map.set(3, NaN);
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var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
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t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
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t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
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var nestedMap = new Map();
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nestedMap.set(nestedMap, map);
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t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
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t.end();
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});
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test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
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var map = new WeakMap();
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map.set({ a: 1 }, ['b']);
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var expectedString = 'WeakMap { ? }';
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t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
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t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
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t.end();
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});
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test('Set', { skip: typeof Set !== 'function' }, function (t) {
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var set = new Set();
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set.add({ a: 1 });
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set.add(['b']);
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var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
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t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
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t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
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var nestedSet = new Set();
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nestedSet.add(set);
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nestedSet.add(nestedSet);
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t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
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t.end();
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});
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test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
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var map = new WeakSet();
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map.add({ a: 1 });
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var expectedString = 'WeakSet { ? }';
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t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
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t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
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t.end();
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});
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test('Strings', function (t) {
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var str = 'abc';
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t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
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t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
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t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
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t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
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t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
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t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
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t.end();
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});
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test('Numbers', function (t) {
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var num = 42;
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t.equal(inspect(num), String(num), 'primitive number shows as such');
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t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
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t.end();
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});
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test('Booleans', function (t) {
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t.equal(inspect(true), String(true), 'primitive true shows as such');
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t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
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t.equal(inspect(false), String(false), 'primitive false shows as such');
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t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
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t.end();
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});
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