refactored to use stored methods

lib/sinon/behavior.js

@@ -5,9 +5,10 @@ var functionName = require("./util/core/function-name");
 var nextTick = require("./util/core/next-tick");
 var valueToString = require("./util/core/value-to-string");
 
-var concat = require("./var/concat");
-var join = require("./var/join");
-var slice = require("./var/slice");
+var arrayProto = require("./var/array");
+var concat = arrayProto.concat;
+var join = arrayProto.join;
+var slice = arrayProto.slice;
 var useLeftMostCallback = -1;
 var useRightMostCallback = -2;
 

lib/sinon/call.js

@@ -6,9 +6,10 @@ var functionName = require("./util/core/function-name");
 var sinonFormat = require("./util/core/format");
 var valueToString = require("./util/core/value-to-string");
 
-var concat = require("./var/concat");
-var slice = require("./var/slice");
-var filter = require("./var/filter");
+var arrayProto = require("./var/array");
+var concat = arrayProto.concat;
+var filter = arrayProto.filter;
+var slice = arrayProto.slice;
 
 function throwYieldError(proxy, text, args) {
     var msg = functionName(proxy) + text;

lib/sinon/collect-own-methods.js

@@ -1,12 +1,13 @@
 "use strict";
 
+var objectProto = require("./var/object");
 var walk = require("./util/core/walk");
 var getPropertyDescriptor = require("./util/core/get-property-descriptor");
 
 function collectMethod(methods, object, prop, propOwner) {
     if (
         typeof getPropertyDescriptor(propOwner, prop).value === "function" &&
-        object.hasOwnProperty(prop)
+        objectProto.hasOwnProperty(object, prop)
     ) {
         methods.push(object[prop]);
     }

lib/sinon/match.js

@@ -5,10 +5,11 @@ var every = require("./util/core/every");
 var functionName = require("./util/core/function-name");
 var get = require("lodash.get");
 var iterableToString = require("./util/core/iterable-to-string");
+var objectProto = require("./var/object");
 var typeOf = require("./util/core/typeOf");
 var valueToString = require("./util/core/value-to-string");
 
-var indexOf = Array.prototype.indexOf;
+var indexOf = require("./var/array").indexOf;
 
 function assertType(value, type, name) {
     var actual = typeOf(value);
@@ -31,7 +32,7 @@ var matcher = {
 };
 
 function isMatcher(object) {
-    return matcher.isPrototypeOf(object);
+    return objectProto.isPrototypeOf(matcher, object);
 }
 
 function matchObject(expectation, actual) {
@@ -325,7 +326,7 @@ match.array.endsWith = function (expectation) {
 match.array.contains = function (expectation) {
     return match(function (actual) {
         return typeOf(actual) === "array" && every(expectation, function (expectedElement) {
-            return indexOf.call(actual, expectedElement) !== -1;
+            return indexOf(actual, expectedElement) !== -1;
         });
     }, "contains([" + iterableToString(expectation) + "])");
 };

lib/sinon/mock.js

@@ -7,10 +7,11 @@ var match = require("./match");
 var deepEqual = require("./util/core/deep-equal").use(match);
 var wrapMethod = require("./util/core/wrap-method");
 
-var filter = require("./var/filter");
-var push = require("./var/push");
-var slice = require("./var/slice");
-var unshift = require("./var/unshift");
+var arrayProto = require("./var/array");
+var filter = arrayProto.filter;
+var push = arrayProto.push;
+var slice = arrayProto.slice;
+var unshift = arrayProto.unshift;
 
 function mock(object) {
     if (!object || typeof object === "string") {

lib/sinon/util/core/order-by-first-call.js

@@ -1,6 +1,6 @@
 "use strict";
 
-var sort = require("../../var/sort");
+var sort = require("../../var/array").sort;
 
 module.exports = function orderByFirstCall(spies) {
     return sort(spies, function (a, b) {

lib/sinon/var/array.js

@@ -1,3 +1,5 @@
 "use strict";
 
-module.exports = [];
+var copyPrototype = require("./copy-prototype");
+
+module.exports = copyPrototype(Array.prototype);

lib/sinon/var/function.js

@@ -1,3 +1,5 @@
 "use strict";
 
-module.exports = function noop() {};
+var copyPrototype = require("./copy-prototype");
+
+module.exports = copyPrototype(Function.prototype);

lib/sinon/var/object.js

@@ -0,0 +1,5 @@
+"use strict";
+
+var copyPrototype = require("./copy-prototype");
+
+module.exports = copyPrototype(Object.prototype);