1 files changed, 166 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-lang-type.js b/addon-sdk/source/test/test-lang-type.js
new file mode 100644
index 000000000..c0e510076
--- /dev/null
+++ b/addon-sdk/source/test/test-lang-type.js
@@ -0,0 +1,166 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict"
+
+var utils = require("sdk/lang/type");
+
+exports["test function"] = function (assert) {
+  assert.equal(utils.isFunction(function(){}), true, "value is a function");
+  assert.equal(utils.isFunction(Object), true, "Object is a function");
+  assert.equal(utils.isFunction(new Function("")), true, "Genertaed value is a function");
+  assert.equal(utils.isFunction({}), false, "object is not a function");
+  assert.equal(utils.isFunction(4), false, "number is not a function");
+};
+
+exports["test atoms"] = function (assert) {
+  assert.equal(utils.isPrimitive(2), true, "number is a primitive");
+  assert.equal(utils.isPrimitive(NaN), true, "`NaN` is a primitve");
+  assert.equal(utils.isPrimitive(undefined), true, "`undefined` is a primitive");
+  assert.equal(utils.isPrimitive(null), true, "`null` is a primitive");
+  assert.equal(utils.isPrimitive(Infinity), true, "`Infinity` is a primitive");
+  assert.equal(utils.isPrimitive("foo"), true, "strings are a primitive");
+  assert.ok(utils.isPrimitive(true) && utils.isPrimitive(false),
+            "booleans are primitive");
+};
+
+exports["test object"] = function (assert) {
+  assert.equal(utils.isObject({}), true, "`{}` is an object");
+  assert.ok(!utils.isObject(null), "`null` is not an object");
+  assert.ok(!utils.isObject(Object), "functions is not an object");
+};
+
+exports["test generator"] = function (assert) {
+  assert.equal(utils.isGenerator(function*(){}), true, "`function*(){}` is a generator");
+  assert.equal(utils.isGenerator(function(){}), false, "`function(){}` is not a generator");
+  assert.equal(utils.isGenerator(() => {}), false, "`() => {}` is not a generator");
+  assert.equal(utils.isGenerator({}), false, "`{}` is not a generator");
+  assert.equal(utils.isGenerator(1), false, "`1` is not a generator");
+  assert.equal(utils.isGenerator([]), false, "`[]` is not a generator");
+  assert.equal(utils.isGenerator(null), false, "`null` is not a generator");
+  assert.equal(utils.isGenerator(undefined), false, "`undefined` is not a generator");
+};
+
+exports["test array"] = function (assert) {
+  assert.equal(utils.isArray([]), true, "[] is an array");
+  assert.equal(utils.isArray([1]), true, "[1] is an array");
+  assert.equal(utils.isArray(new Array()), true, "new Array() is an array");
+  assert.equal(utils.isArray(new Array(10)), true, "new Array(10) is an array");
+  assert.equal(utils.isArray(Array.prototype), true, "Array.prototype is an array");
+
+  assert.equal(utils.isArray(), false, "implicit undefined is not an array");
+  assert.equal(utils.isArray(null), false, "null is not an array");
+  assert.equal(utils.isArray(undefined), false, "undefined is not an array");
+  assert.equal(utils.isArray(1), false, "1 is not an array");
+  assert.equal(utils.isArray(true), false, "true is not an array");
+  assert.equal(utils.isArray('foo'), false, "'foo' is not an array");
+  assert.equal(utils.isArray({}), false, "{} is not an array");
+  assert.equal(utils.isArray(Symbol.iterator), false, "Symbol.iterator is not an array");
+};
+
+exports["test arguments"] = function (assert) {
+  assert.equal(utils.isArguments(arguments), true, "arguments is an arguments");
+  (function() {
+    assert.equal(utils.isArguments(arguments), true, "arguments in nested function is an arguments");
+  })();
+  (function*() {
+    assert.equal(utils.isArguments(arguments), true, "arguments in nested generator is an arguments");
+  })();
+  (() => {
+    assert.equal(utils.isArguments(arguments), true, "arguments in arrow function is an arguments");
+  })();
+
+  assert.equal(utils.isArguments(), false, "implicit undefined is not an arguments");
+  assert.equal(utils.isArguments(null), false, "null is not an arguments");
+  assert.equal(utils.isArguments(undefined), false, "undefined is not an arguments");
+  assert.equal(utils.isArguments(1), false, "1 is not an arguments");
+  assert.equal(utils.isArguments(true), false, "true is not an arguments");
+  assert.equal(utils.isArguments('foo'), false, "'foo' is not an arguments");
+  assert.equal(utils.isArguments([]), false, "[] is not an arguments");
+  assert.equal(utils.isArguments({}), false, "{} is not an arguments");
+  assert.equal(utils.isArguments(Symbol.iterator), false, "Symbol.iterator is not an arguments");
+  (function(...args) {
+    assert.equal(utils.isArguments(args), false, "rest arguments is not an arguments");
+  })();
+};
+
+exports["test flat objects"] = function (assert) {
+  assert.ok(utils.isFlat({}), "`{}` is a flat object");
+  assert.ok(!utils.isFlat([]), "`[]` is not a flat object");
+  assert.ok(!utils.isFlat(new function() {}), "derived objects are not flat");
+  assert.ok(utils.isFlat(Object.prototype), "Object.prototype is flat");
+};
+
+exports["test json atoms"] = function (assert) {
+  assert.ok(utils.isJSON(null), "`null` is JSON");
+  assert.ok(utils.isJSON(undefined), "`undefined` is JSON");
+  assert.ok(utils.isJSON(NaN), "`NaN` is JSON");
+  assert.ok(utils.isJSON(Infinity), "`Infinity` is JSON");
+  assert.ok(utils.isJSON(true) && utils.isJSON(false), "booleans are JSON");
+  assert.ok(utils.isJSON(4), utils.isJSON(0), "numbers are JSON");
+  assert.ok(utils.isJSON("foo bar"), "strings are JSON");
+};
+
+exports["test jsonable values"] = function (assert) {
+  assert.ok(utils.isJSONable(null), "`null` is JSONable");
+  assert.ok(!utils.isJSONable(undefined), "`undefined` is not JSONable");
+  assert.ok(utils.isJSONable(NaN), "`NaN` is JSONable");
+  assert.ok(utils.isJSONable(Infinity), "`Infinity` is JSONable");
+  assert.ok(utils.isJSONable(true) && utils.isJSONable(false), "booleans are JSONable");
+  assert.ok(utils.isJSONable(0), "numbers are JSONable");
+  assert.ok(utils.isJSONable("foo bar"), "strings are JSONable");
+  assert.ok(!utils.isJSONable(function(){}), "functions are not JSONable");
+
+  const functionWithToJSON = function(){};
+  functionWithToJSON.toJSON = function() { return "foo bar"; };
+  assert.ok(utils.isJSONable(functionWithToJSON), "functions with toJSON() are JSONable");
+
+  assert.ok(utils.isJSONable({}), "`{}` is JSONable");
+
+  const foo = {};
+  foo.bar = foo;
+  assert.ok(!utils.isJSONable(foo), "recursive objects are not JSONable");
+};
+
+exports["test instanceOf"] = function (assert) {
+  assert.ok(utils.instanceOf(assert, Object),
+            "assert is object from other sandbox");
+  assert.ok(utils.instanceOf(new Date(), Date), "instance of date");
+  assert.ok(!utils.instanceOf(null, Object), "null is not an instance");
+};
+
+exports["test json"] = function (assert) {
+  assert.ok(!utils.isJSON(function(){}), "functions are not json");
+  assert.ok(utils.isJSON({}), "`{}` is JSON");
+  assert.ok(utils.isJSON({
+              a: "foo",
+              b: 3,
+              c: undefined,
+              d: null,
+              e: {
+                f: {
+                  g: "bar",
+                  p: [{}, "oueou", 56]
+                },
+                q: { nan: NaN, infinity: Infinity },
+                "non standard name": "still works"
+              }
+            }), "JSON can contain nested objects");
+
+  var foo = {};
+  var bar = { foo: foo };
+  foo.bar = bar;
+  assert.ok(!utils.isJSON(foo), "recursive objects are not json");
+
+
+  assert.ok(!utils.isJSON({ get foo() { return 5 } }),
+            "json can not have getter");
+
+  assert.ok(!utils.isJSON({ foo: "bar", baz: function () {} }),
+            "json can not contain functions");
+
+  assert.ok(!utils.isJSON(Object.create({})),
+            "json must be direct descendant of `Object.prototype`");
+};
+
+require("sdk/test").run(exports);