Argument matcher for an array containing at least the specified entries

spec/core/ArrayContainingSpec.js

@@ -0,0 +1,51 @@
+describe("ArrayContaining", function() {
+  it("matches any actual to an empty array", function() {
+    var containing = new j$.ArrayContaining([]);
+
+    expect(containing.jasmineMatches("foo")).toBe(true);
+  });
+
+  it("does not work when not passed an array", function() {
+    var containing = new j$.ArrayContaining("foo");
+
+    expect(function() {
+      containing.jasmineMatches([]);
+    }).toThrowError(/not 'foo'/);
+  });
+
+  it("matches when the item is in the actual", function() {
+    var containing = new j$.ArrayContaining(["foo"]);
+
+    expect(containing.jasmineMatches(["foo"])).toBe(true);
+  });
+
+  it("matches when additional items are in the actual", function() {
+    var containing = new j$.ArrayContaining(["foo"]);
+
+    expect(containing.jasmineMatches(["foo", "bar"])).toBe(true);
+  });
+
+  it("does not match when the item is not in the actual", function() {
+    var containing = new j$.ArrayContaining(["foo"]);
+
+    expect(containing.jasmineMatches(["bar"])).toBe(false);
+  });
+
+  it("mismatchValues parameter returns array with mismatched reason", function() {
+    var containing = new j$.ArrayContaining(["foo", "bar"]);
+
+    var mismatchKeys = [];
+    var mismatchValues = [];
+
+    containing.jasmineMatches([], mismatchKeys, mismatchValues);
+
+    expect(mismatchValues.length).toBe(1);
+    expect(mismatchValues[0]).toEqual("expected to have values ['foo','bar']")
+  });
+
+  it("jasmineToStrings itself", function() {
+    var containing = new j$.ArrayContaining([]);
+
+    expect(containing.jasmineToString()).toMatch("<jasmine.arrayContaining");
+  });
+});

spec/core/ObjectContainingSpec.js

@@ -61,4 +61,4 @@ describe("ObjectContaining", function() {
 
     expect(containing.jasmineToString()).toMatch("<jasmine.objectContaining");
   });
-});
+});

spec/core/matchers/matchersUtilSpec.js

@@ -147,6 +147,12 @@ describe("matchersUtil", function() {
       expect(j$.matchersUtil.equals(obj, new j$.ObjectContaining({foo: 3}))).toBe(true);
     });
 
+    it("passes when ArrayContaining is used", function() {
+      var arr = ["foo", "bar"];
+
+      expect(j$.matchersUtil.equals(arr, new j$.ArrayContaining(["bar"]))).toBe(true);
+    });
+
     it("passes when a custom equality matcher returns true", function() {
       var tester = function(a, b) { return true; };