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Diffstat (limited to 'Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_objects_test.go')
| -rw-r--r-- | Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_objects_test.go | 826 |
1 files changed, 0 insertions, 826 deletions
diff --git a/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_objects_test.go b/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_objects_test.go deleted file mode 100644 index 1973af8dd..000000000 --- a/Godeps/_workspace/src/github.com/robertkrimen/otto/underscore_objects_test.go +++ /dev/null @@ -1,826 +0,0 @@ -package otto - -import ( - "testing" -) - -// keys -func Test_underscore_objects_0(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("keys", function() { - equal(_.keys({one : 1, two : 2}).join(', '), 'one, two', 'can extract the keys from an object'); - // the test above is not safe because it relies on for-in enumeration order - var a = []; a[1] = 0; - equal(_.keys(a).join(', '), '1', 'is not fooled by sparse arrays; see issue #95'); - raises(function() { _.keys(null); }, TypeError, 'throws an error for <null> values'); - raises(function() { _.keys(void 0); }, TypeError, 'throws an error for <undefined> values'); - raises(function() { _.keys(1); }, TypeError, 'throws an error for number primitives'); - raises(function() { _.keys('a'); }, TypeError, 'throws an error for string primitives'); - raises(function() { _.keys(true); }, TypeError, 'throws an error for boolean primitives'); - }); - `) - }) -} - -// values -func Test_underscore_objects_1(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("values", function() { - equal(_.values({one: 1, two: 2}).join(', '), '1, 2', 'can extract the values from an object'); - equal(_.values({one: 1, two: 2, length: 3}).join(', '), '1, 2, 3', '... even when one of them is "length"'); - }); - `) - }) -} - -// pairs -func Test_underscore_objects_2(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("pairs", function() { - deepEqual(_.pairs({one: 1, two: 2}), [['one', 1], ['two', 2]], 'can convert an object into pairs'); - deepEqual(_.pairs({one: 1, two: 2, length: 3}), [['one', 1], ['two', 2], ['length', 3]], '... even when one of them is "length"'); - }); - `) - }) -} - -// invert -func Test_underscore_objects_3(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("invert", function() { - var obj = {first: 'Moe', second: 'Larry', third: 'Curly'}; - equal(_.keys(_.invert(obj)).join(' '), 'Moe Larry Curly', 'can invert an object'); - ok(_.isEqual(_.invert(_.invert(obj)), obj), 'two inverts gets you back where you started'); - - var obj = {length: 3}; - ok(_.invert(obj)['3'] == 'length', 'can invert an object with "length"') - }); - `) - }) -} - -// functions -func Test_underscore_objects_4(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("functions", function() { - var obj = {a : 'dash', b : _.map, c : (/yo/), d : _.reduce}; - ok(_.isEqual(['b', 'd'], _.functions(obj)), 'can grab the function names of any passed-in object'); - - var Animal = function(){}; - Animal.prototype.run = function(){}; - equal(_.functions(new Animal).join(''), 'run', 'also looks up functions on the prototype'); - }); - `) - }) -} - -// extend -func Test_underscore_objects_5(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("extend", function() { - var result; - equal(_.extend({}, {a:'b'}).a, 'b', 'can extend an object with the attributes of another'); - equal(_.extend({a:'x'}, {a:'b'}).a, 'b', 'properties in source override destination'); - equal(_.extend({x:'x'}, {a:'b'}).x, 'x', 'properties not in source dont get overriden'); - result = _.extend({x:'x'}, {a:'a'}, {b:'b'}); - ok(_.isEqual(result, {x:'x', a:'a', b:'b'}), 'can extend from multiple source objects'); - result = _.extend({x:'x'}, {a:'a', x:2}, {a:'b'}); - ok(_.isEqual(result, {x:2, a:'b'}), 'extending from multiple source objects last property trumps'); - result = _.extend({}, {a: void 0, b: null}); - equal(_.keys(result).join(''), 'ab', 'extend does not copy undefined values'); - - try { - result = {}; - _.extend(result, null, undefined, {a:1}); - } catch(ex) {} - - equal(result.a, 1, 'should not error on <null> or <undefined> sources'); - }); - `) - }) -} - -// pick -func Test_underscore_objects_6(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("pick", function() { - var result; - result = _.pick({a:1, b:2, c:3}, 'a', 'c'); - ok(_.isEqual(result, {a:1, c:3}), 'can restrict properties to those named'); - result = _.pick({a:1, b:2, c:3}, ['b', 'c']); - ok(_.isEqual(result, {b:2, c:3}), 'can restrict properties to those named in an array'); - result = _.pick({a:1, b:2, c:3}, ['a'], 'b'); - ok(_.isEqual(result, {a:1, b:2}), 'can restrict properties to those named in mixed args'); - - var Obj = function(){}; - Obj.prototype = {a: 1, b: 2, c: 3}; - ok(_.isEqual(_.pick(new Obj, 'a', 'c'), {a:1, c: 3}), 'include prototype props'); - }); - `) - }) -} - -// omit -func Test_underscore_objects_7(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("omit", function() { - var result; - result = _.omit({a:1, b:2, c:3}, 'b'); - ok(_.isEqual(result, {a:1, c:3}), 'can omit a single named property'); - result = _.omit({a:1, b:2, c:3}, 'a', 'c'); - ok(_.isEqual(result, {b:2}), 'can omit several named properties'); - result = _.omit({a:1, b:2, c:3}, ['b', 'c']); - ok(_.isEqual(result, {a:1}), 'can omit properties named in an array'); - - var Obj = function(){}; - Obj.prototype = {a: 1, b: 2, c: 3}; - ok(_.isEqual(_.omit(new Obj, 'b'), {a:1, c: 3}), 'include prototype props'); - }); - `) - }) -} - -// defaults -func Test_underscore_objects_8(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("defaults", function() { - var result; - var options = {zero: 0, one: 1, empty: "", nan: NaN, string: "string"}; - - _.defaults(options, {zero: 1, one: 10, twenty: 20}); - equal(options.zero, 0, 'value exists'); - equal(options.one, 1, 'value exists'); - equal(options.twenty, 20, 'default applied'); - - _.defaults(options, {empty: "full"}, {nan: "nan"}, {word: "word"}, {word: "dog"}); - equal(options.empty, "", 'value exists'); - ok(_.isNaN(options.nan), "NaN isn't overridden"); - equal(options.word, "word", 'new value is added, first one wins'); - - try { - options = {}; - _.defaults(options, null, undefined, {a:1}); - } catch(ex) {} - - equal(options.a, 1, 'should not error on <null> or <undefined> sources'); - }); - `) - }) -} - -// clone -func Test_underscore_objects_9(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("clone", function() { - var moe = {name : 'moe', lucky : [13, 27, 34]}; - var clone = _.clone(moe); - equal(clone.name, 'moe', 'the clone as the attributes of the original'); - - clone.name = 'curly'; - ok(clone.name == 'curly' && moe.name == 'moe', 'clones can change shallow attributes without affecting the original'); - - clone.lucky.push(101); - equal(_.last(moe.lucky), 101, 'changes to deep attributes are shared with the original'); - - equal(_.clone(undefined), void 0, 'non objects should not be changed by clone'); - equal(_.clone(1), 1, 'non objects should not be changed by clone'); - equal(_.clone(null), null, 'non objects should not be changed by clone'); - }); - `) - }) -} - -// isEqual -func Test_underscore_objects_10(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isEqual", function() { - function First() { - this.value = 1; - } - First.prototype.value = 1; - function Second() { - this.value = 1; - } - Second.prototype.value = 2; - - // Basic equality and identity comparisons. - ok(_.isEqual(null, null), "<null> is equal to <null>"); - ok(_.isEqual(), "<undefined> is equal to <undefined>"); - - ok(!_.isEqual(0, -0), "<0> is not equal to <-0>"); - ok(!_.isEqual(-0, 0), "Commutative equality is implemented for <0> and <-0>"); - ok(!_.isEqual(null, undefined), "<null> is not equal to <undefined>"); - ok(!_.isEqual(undefined, null), "Commutative equality is implemented for <null> and <undefined>"); - - // String object and primitive comparisons. - ok(_.isEqual("Curly", "Curly"), "Identical string primitives are equal"); - ok(_.isEqual(new String("Curly"), new String("Curly")), "String objects with identical primitive values are equal"); - ok(_.isEqual(new String("Curly"), "Curly"), "String primitives and their corresponding object wrappers are equal"); - ok(_.isEqual("Curly", new String("Curly")), "Commutative equality is implemented for string objects and primitives"); - - ok(!_.isEqual("Curly", "Larry"), "String primitives with different values are not equal"); - ok(!_.isEqual(new String("Curly"), new String("Larry")), "String objects with different primitive values are not equal"); - ok(!_.isEqual(new String("Curly"), {toString: function(){ return "Curly"; }}), "String objects and objects with a custom <toString> method are not equal"); - - // Number object and primitive comparisons. - ok(_.isEqual(75, 75), "Identical number primitives are equal"); - ok(_.isEqual(new Number(75), new Number(75)), "Number objects with identical primitive values are equal"); - ok(_.isEqual(75, new Number(75)), "Number primitives and their corresponding object wrappers are equal"); - ok(_.isEqual(new Number(75), 75), "Commutative equality is implemented for number objects and primitives"); - ok(!_.isEqual(new Number(0), -0), "<new Number(0)> and <-0> are not equal"); - ok(!_.isEqual(0, new Number(-0)), "Commutative equality is implemented for <new Number(0)> and <-0>"); - - ok(!_.isEqual(new Number(75), new Number(63)), "Number objects with different primitive values are not equal"); - ok(!_.isEqual(new Number(63), {valueOf: function(){ return 63; }}), "Number objects and objects with a <valueOf> method are not equal"); - - // Comparisons involving <NaN>. - ok(_.isEqual(NaN, NaN), "<NaN> is equal to <NaN>"); - ok(!_.isEqual(61, NaN), "A number primitive is not equal to <NaN>"); - ok(!_.isEqual(new Number(79), NaN), "A number object is not equal to <NaN>"); - ok(!_.isEqual(Infinity, NaN), "<Infinity> is not equal to <NaN>"); - - // Boolean object and primitive comparisons. - ok(_.isEqual(true, true), "Identical boolean primitives are equal"); - ok(_.isEqual(new Boolean, new Boolean), "Boolean objects with identical primitive values are equal"); - ok(_.isEqual(true, new Boolean(true)), "Boolean primitives and their corresponding object wrappers are equal"); - ok(_.isEqual(new Boolean(true), true), "Commutative equality is implemented for booleans"); - ok(!_.isEqual(new Boolean(true), new Boolean), "Boolean objects with different primitive values are not equal"); - - // Common type coercions. - ok(!_.isEqual(true, new Boolean(false)), "Boolean objects are not equal to the boolean primitive <true>"); - ok(!_.isEqual("75", 75), "String and number primitives with like values are not equal"); - ok(!_.isEqual(new Number(63), new String(63)), "String and number objects with like values are not equal"); - ok(!_.isEqual(75, "75"), "Commutative equality is implemented for like string and number values"); - ok(!_.isEqual(0, ""), "Number and string primitives with like values are not equal"); - ok(!_.isEqual(1, true), "Number and boolean primitives with like values are not equal"); - ok(!_.isEqual(new Boolean(false), new Number(0)), "Boolean and number objects with like values are not equal"); - ok(!_.isEqual(false, new String("")), "Boolean primitives and string objects with like values are not equal"); - ok(!_.isEqual(12564504e5, new Date(2009, 9, 25)), "Dates and their corresponding numeric primitive values are not equal"); - - // Dates. - ok(_.isEqual(new Date(2009, 9, 25), new Date(2009, 9, 25)), "Date objects referencing identical times are equal"); - ok(!_.isEqual(new Date(2009, 9, 25), new Date(2009, 11, 13)), "Date objects referencing different times are not equal"); - ok(!_.isEqual(new Date(2009, 11, 13), { - getTime: function(){ - return 12606876e5; - } - }), "Date objects and objects with a <getTime> method are not equal"); - ok(!_.isEqual(new Date("Curly"), new Date("Curly")), "Invalid dates are not equal"); - - // Functions. - ok(!_.isEqual(First, Second), "Different functions with identical bodies and source code representations are not equal"); - - // RegExps. - ok(_.isEqual(/(?:)/gim, /(?:)/gim), "RegExps with equivalent patterns and flags are equal"); - ok(!_.isEqual(/(?:)/g, /(?:)/gi), "RegExps with equivalent patterns and different flags are not equal"); - ok(!_.isEqual(/Moe/gim, /Curly/gim), "RegExps with different patterns and equivalent flags are not equal"); - ok(!_.isEqual(/(?:)/gi, /(?:)/g), "Commutative equality is implemented for RegExps"); - ok(!_.isEqual(/Curly/g, {source: "Larry", global: true, ignoreCase: false, multiline: false}), "RegExps and RegExp-like objects are not equal"); - - // Empty arrays, array-like objects, and object literals. - ok(_.isEqual({}, {}), "Empty object literals are equal"); - ok(_.isEqual([], []), "Empty array literals are equal"); - ok(_.isEqual([{}], [{}]), "Empty nested arrays and objects are equal"); - ok(!_.isEqual({length: 0}, []), "Array-like objects and arrays are not equal."); - ok(!_.isEqual([], {length: 0}), "Commutative equality is implemented for array-like objects"); - - ok(!_.isEqual({}, []), "Object literals and array literals are not equal"); - ok(!_.isEqual([], {}), "Commutative equality is implemented for objects and arrays"); - - // Arrays with primitive and object values. - ok(_.isEqual([1, "Larry", true], [1, "Larry", true]), "Arrays containing identical primitives are equal"); - ok(_.isEqual([(/Moe/g), new Date(2009, 9, 25)], [(/Moe/g), new Date(2009, 9, 25)]), "Arrays containing equivalent elements are equal"); - - // Multi-dimensional arrays. - var a = [new Number(47), false, "Larry", /Moe/, new Date(2009, 11, 13), ['running', 'biking', new String('programming')], {a: 47}]; - var b = [new Number(47), false, "Larry", /Moe/, new Date(2009, 11, 13), ['running', 'biking', new String('programming')], {a: 47}]; - ok(_.isEqual(a, b), "Arrays containing nested arrays and objects are recursively compared"); - - // Overwrite the methods defined in ES 5.1 section 15.4.4. - a.forEach = a.map = a.filter = a.every = a.indexOf = a.lastIndexOf = a.some = a.reduce = a.reduceRight = null; - b.join = b.pop = b.reverse = b.shift = b.slice = b.splice = b.concat = b.sort = b.unshift = null; - - // Array elements and properties. - ok(_.isEqual(a, b), "Arrays containing equivalent elements and different non-numeric properties are equal"); - a.push("White Rocks"); - ok(!_.isEqual(a, b), "Arrays of different lengths are not equal"); - a.push("East Boulder"); - b.push("Gunbarrel Ranch", "Teller Farm"); - ok(!_.isEqual(a, b), "Arrays of identical lengths containing different elements are not equal"); - - // Sparse arrays. - ok(_.isEqual(Array(3), Array(3)), "Sparse arrays of identical lengths are equal"); - ok(!_.isEqual(Array(3), Array(6)), "Sparse arrays of different lengths are not equal when both are empty"); - - // Simple objects. - ok(_.isEqual({a: "Curly", b: 1, c: true}, {a: "Curly", b: 1, c: true}), "Objects containing identical primitives are equal"); - ok(_.isEqual({a: /Curly/g, b: new Date(2009, 11, 13)}, {a: /Curly/g, b: new Date(2009, 11, 13)}), "Objects containing equivalent members are equal"); - ok(!_.isEqual({a: 63, b: 75}, {a: 61, b: 55}), "Objects of identical sizes with different values are not equal"); - ok(!_.isEqual({a: 63, b: 75}, {a: 61, c: 55}), "Objects of identical sizes with different property names are not equal"); - ok(!_.isEqual({a: 1, b: 2}, {a: 1}), "Objects of different sizes are not equal"); - ok(!_.isEqual({a: 1}, {a: 1, b: 2}), "Commutative equality is implemented for objects"); - ok(!_.isEqual({x: 1, y: undefined}, {x: 1, z: 2}), "Objects with identical keys and different values are not equivalent"); - - // <A> contains nested objects and arrays. - a = { - name: new String("Moe Howard"), - age: new Number(77), - stooge: true, - hobbies: ["acting"], - film: { - name: "Sing a Song of Six Pants", - release: new Date(1947, 9, 30), - stars: [new String("Larry Fine"), "Shemp Howard"], - minutes: new Number(16), - seconds: 54 - } - }; - - // <B> contains equivalent nested objects and arrays. - b = { - name: new String("Moe Howard"), - age: new Number(77), - stooge: true, - hobbies: ["acting"], - film: { - name: "Sing a Song of Six Pants", - release: new Date(1947, 9, 30), - stars: [new String("Larry Fine"), "Shemp Howard"], - minutes: new Number(16), - seconds: 54 - } - }; - ok(_.isEqual(a, b), "Objects with nested equivalent members are recursively compared"); - - // Instances. - ok(_.isEqual(new First, new First), "Object instances are equal"); - ok(!_.isEqual(new First, new Second), "Objects with different constructors and identical own properties are not equal"); - ok(!_.isEqual({value: 1}, new First), "Object instances and objects sharing equivalent properties are not equal"); - ok(!_.isEqual({value: 2}, new Second), "The prototype chain of objects should not be examined"); - - // Circular Arrays. - (a = []).push(a); - (b = []).push(b); - ok(_.isEqual(a, b), "Arrays containing circular references are equal"); - a.push(new String("Larry")); - b.push(new String("Larry")); - ok(_.isEqual(a, b), "Arrays containing circular references and equivalent properties are equal"); - a.push("Shemp"); - b.push("Curly"); - ok(!_.isEqual(a, b), "Arrays containing circular references and different properties are not equal"); - - // More circular arrays #767. - a = ["everything is checked but", "this", "is not"]; - a[1] = a; - b = ["everything is checked but", ["this", "array"], "is not"]; - ok(!_.isEqual(a, b), "Comparison of circular references with non-circular references are not equal"); - - // Circular Objects. - a = {abc: null}; - b = {abc: null}; - a.abc = a; - b.abc = b; - ok(_.isEqual(a, b), "Objects containing circular references are equal"); - a.def = 75; - b.def = 75; - ok(_.isEqual(a, b), "Objects containing circular references and equivalent properties are equal"); - a.def = new Number(75); - b.def = new Number(63); - ok(!_.isEqual(a, b), "Objects containing circular references and different properties are not equal"); - - // More circular objects #767. - a = {everything: "is checked", but: "this", is: "not"}; - a.but = a; - b = {everything: "is checked", but: {that:"object"}, is: "not"}; - ok(!_.isEqual(a, b), "Comparison of circular references with non-circular object references are not equal"); - - // Cyclic Structures. - a = [{abc: null}]; - b = [{abc: null}]; - (a[0].abc = a).push(a); - (b[0].abc = b).push(b); - ok(_.isEqual(a, b), "Cyclic structures are equal"); - a[0].def = "Larry"; - b[0].def = "Larry"; - ok(_.isEqual(a, b), "Cyclic structures containing equivalent properties are equal"); - a[0].def = new String("Larry"); - b[0].def = new String("Curly"); - ok(!_.isEqual(a, b), "Cyclic structures containing different properties are not equal"); - - // Complex Circular References. - a = {foo: {b: {foo: {c: {foo: null}}}}}; - b = {foo: {b: {foo: {c: {foo: null}}}}}; - a.foo.b.foo.c.foo = a; - b.foo.b.foo.c.foo = b; - ok(_.isEqual(a, b), "Cyclic structures with nested and identically-named properties are equal"); - - // Chaining. - ok(!_.isEqual(_({x: 1, y: undefined}).chain(), _({x: 1, z: 2}).chain()), 'Chained objects containing different values are not equal'); - - a = _({x: 1, y: 2}).chain(); - b = _({x: 1, y: 2}).chain(); - equal(_.isEqual(a.isEqual(b), _(true)), true, '<isEqual> can be chained'); - - // TEST: ??? - return; - - // Objects from another frame. - ok(_.isEqual({}, iObject)); - }); - `) - }) -} - -// isEmpty -func Test_underscore_objects_11(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isEmpty", function() { - ok(!_([1]).isEmpty(), '[1] is not empty'); - ok(_.isEmpty([]), '[] is empty'); - ok(!_.isEmpty({one : 1}), '{one : 1} is not empty'); - ok(_.isEmpty({}), '{} is empty'); - ok(_.isEmpty(new RegExp('')), 'objects with prototype properties are empty'); - ok(_.isEmpty(null), 'null is empty'); - ok(_.isEmpty(), 'undefined is empty'); - ok(_.isEmpty(''), 'the empty string is empty'); - ok(!_.isEmpty('moe'), 'but other strings are not'); - - var obj = {one : 1}; - delete obj.one; - ok(_.isEmpty(obj), 'deleting all the keys from an object empties it'); - }); - `) - }) -} - -// isElement -func Test_underscore_objects_12(t *testing.T) { - // TEST: ReferenceError: $ is not defined - if true { - return - } - - tt(t, func() { - test, _ := test_() - - test(` - test("isElement", function() { - ok(!_.isElement('div'), 'strings are not dom elements'); - ok(_.isElement($('html')[0]), 'the html tag is a DOM element'); - ok(_.isElement(iElement), 'even from another frame'); - }); - `) - }) -} - -// isArguments -func Test_underscore_objects_13(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isArguments", function() { - var args = (function(){ return arguments; })(1, 2, 3); - ok(!_.isArguments('string'), 'a string is not an arguments object'); - ok(!_.isArguments(_.isArguments), 'a function is not an arguments object'); - ok(_.isArguments(args), 'but the arguments object is an arguments object'); - ok(!_.isArguments(_.toArray(args)), 'but not when it\'s converted into an array'); - ok(!_.isArguments([1,2,3]), 'and not vanilla arrays.'); - - // TEST: ReferenceError: iArguments is not defined - return; - ok(_.isArguments(iArguments), 'even from another frame'); - }); - `) - }) -} - -// isObject -func Test_underscore_objects_14(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isObject", function() { - ok(_.isObject(arguments), 'the arguments object is object'); - ok(_.isObject([1, 2, 3]), 'and arrays'); - // TEST: ReferenceError: $ is not defined - return; - ok(_.isObject($('html')[0]), 'and DOM element'); - ok(_.isObject(iElement), 'even from another frame'); - ok(_.isObject(function () {}), 'and functions'); - ok(_.isObject(iFunction), 'even from another frame'); - ok(!_.isObject(null), 'but not null'); - ok(!_.isObject(undefined), 'and not undefined'); - ok(!_.isObject('string'), 'and not string'); - ok(!_.isObject(12), 'and not number'); - ok(!_.isObject(true), 'and not boolean'); - ok(_.isObject(new String('string')), 'but new String()'); - }); - `) - }) -} - -// isArray -func Test_underscore_objects_15(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isArray", function() { - ok(!_.isArray(arguments), 'the arguments object is not an array'); - ok(_.isArray([1, 2, 3]), 'but arrays are'); - // TEST: ??? - return; - ok(_.isArray(iArray), 'even from another frame'); - }); - `) - }) -} - -// isString -func Test_underscore_objects_16(t *testing.T) { - // TEST: ReferenceError: document is not defined - if true { - return - } - - tt(t, func() { - test, _ := test_() - - test(` - test("isString", function() { - ok(!_.isString(document.body), 'the document body is not a string'); - ok(_.isString([1, 2, 3].join(', ')), 'but strings are'); - // TEST: ??? - return; - ok(_.isString(iString), 'even from another frame'); - }); - `) - }) -} - -// isNumber -func Test_underscore_objects_17(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isNumber", function() { - ok(!_.isNumber('string'), 'a string is not a number'); - ok(!_.isNumber(arguments), 'the arguments object is not a number'); - ok(!_.isNumber(undefined), 'undefined is not a number'); - ok(_.isNumber(3 * 4 - 7 / 10), 'but numbers are'); - ok(_.isNumber(NaN), 'NaN *is* a number'); - ok(_.isNumber(Infinity), 'Infinity is a number'); - // TEST: ??? - return; - ok(_.isNumber(iNumber), 'even from another frame'); - ok(!_.isNumber('1'), 'numeric strings are not numbers'); - }); - `) - }) -} - -// isBoolean -func Test_underscore_objects_18(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isBoolean", function() { - ok(!_.isBoolean(2), 'a number is not a boolean'); - ok(!_.isBoolean("string"), 'a string is not a boolean'); - ok(!_.isBoolean("false"), 'the string "false" is not a boolean'); - ok(!_.isBoolean("true"), 'the string "true" is not a boolean'); - ok(!_.isBoolean(arguments), 'the arguments object is not a boolean'); - ok(!_.isBoolean(undefined), 'undefined is not a boolean'); - ok(!_.isBoolean(NaN), 'NaN is not a boolean'); - ok(!_.isBoolean(null), 'null is not a boolean'); - ok(_.isBoolean(true), 'but true is'); - ok(_.isBoolean(false), 'and so is false'); - // TEST: ??? - return; - ok(_.isBoolean(iBoolean), 'even from another frame'); - }); - `) - }) -} - -// isFunction -func Test_underscore_objects_19(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isFunction", function() { - ok(!_.isFunction([1, 2, 3]), 'arrays are not functions'); - ok(!_.isFunction('moe'), 'strings are not functions'); - ok(_.isFunction(_.isFunction), 'but functions are'); - // TEST: ??? - return; - ok(_.isFunction(iFunction), 'even from another frame'); - }); - `) - }) -} - -// isDate -func Test_underscore_objects_20(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isDate", function() { - ok(!_.isDate(100), 'numbers are not dates'); - ok(!_.isDate({}), 'objects are not dates'); - ok(_.isDate(new Date()), 'but dates are'); - // TEST: ??? - return; - ok(_.isDate(iDate), 'even from another frame'); - }); - `) - }) -} - -// isRegExp -func Test_underscore_objects_21(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isRegExp", function() { - ok(!_.isRegExp(_.identity), 'functions are not RegExps'); - ok(_.isRegExp(/identity/), 'but RegExps are'); - // TEST: ??? - return; - ok(_.isRegExp(iRegExp), 'even from another frame'); - }); - `) - }) -} - -// isFinite -func Test_underscore_objects_22(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isFinite", function() { - ok(!_.isFinite(undefined), 'undefined is not Finite'); - ok(!_.isFinite(null), 'null is not Finite'); - ok(!_.isFinite(NaN), 'NaN is not Finite'); - ok(!_.isFinite(Infinity), 'Infinity is not Finite'); - ok(!_.isFinite(-Infinity), '-Infinity is not Finite'); - ok(_.isFinite('12'), 'Numeric strings are numbers'); - ok(!_.isFinite('1a'), 'Non numeric strings are not numbers'); - ok(!_.isFinite(''), 'Empty strings are not numbers'); - var obj = new Number(5); - ok(_.isFinite(obj), 'Number instances can be finite'); - ok(_.isFinite(0), '0 is Finite'); - ok(_.isFinite(123), 'Ints are Finite'); - ok(_.isFinite(-12.44), 'Floats are Finite'); - }); - `) - }) -} - -// isNaN -func Test_underscore_objects_23(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isNaN", function() { - ok(!_.isNaN(undefined), 'undefined is not NaN'); - ok(!_.isNaN(null), 'null is not NaN'); - ok(!_.isNaN(0), '0 is not NaN'); - ok(_.isNaN(NaN), 'but NaN is'); - // TEST: ??? - return; - ok(_.isNaN(iNaN), 'even from another frame'); - ok(_.isNaN(new Number(NaN)), 'wrapped NaN is still NaN'); - }); - `) - }) -} - -// isNull -func Test_underscore_objects_24(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isNull", function() { - ok(!_.isNull(undefined), 'undefined is not null'); - ok(!_.isNull(NaN), 'NaN is not null'); - ok(_.isNull(null), 'but null is'); - // TEST: ??? - return; - ok(_.isNull(iNull), 'even from another frame'); - }); - `) - }) -} - -// isUndefined -func Test_underscore_objects_25(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("isUndefined", function() { - ok(!_.isUndefined(1), 'numbers are defined'); - ok(!_.isUndefined(null), 'null is defined'); - ok(!_.isUndefined(false), 'false is defined'); - ok(!_.isUndefined(NaN), 'NaN is defined'); - ok(_.isUndefined(), 'nothing is undefined'); - ok(_.isUndefined(undefined), 'undefined is undefined'); - // TEST: ??? - return; - ok(_.isUndefined(iUndefined), 'even from another frame'); - }); - `) - }) -} - -// tap -func Test_underscore_objects_26(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("tap", function() { - var intercepted = null; - var interceptor = function(obj) { intercepted = obj; }; - var returned = _.tap(1, interceptor); - equal(intercepted, 1, "passes tapped object to interceptor"); - equal(returned, 1, "returns tapped object"); - - returned = _([1,2,3]).chain(). - map(function(n){ return n * 2; }). - max(). - tap(interceptor). - value(); - ok(returned == 6 && intercepted == 6, 'can use tapped objects in a chain'); - }); - `) - }) -} - -// has -func Test_underscore_objects_27(t *testing.T) { - tt(t, func() { - test, _ := test_() - - test(` - test("has", function () { - var obj = {foo: "bar", func: function () {} }; - ok (_.has(obj, "foo"), "has() checks that the object has a property."); - ok (_.has(obj, "baz") == false, "has() returns false if the object doesn't have the property."); - ok (_.has(obj, "func"), "has() works for functions too."); - obj.hasOwnProperty = null; - ok (_.has(obj, "foo"), "has() works even when the hasOwnProperty method is deleted."); - var child = {}; - child.prototype = obj; - ok (_.has(child, "foo") == false, "has() does not check the prototype chain for a property.") - }); - `) - }) -} |