Added infinity methods, with tests

spec/core/matchers/toBeNegativeInfinitySpec.js

@@ -0,0 +1,31 @@
+describe("toBeNegativeInfinity", function() {
+  it("fails for anything that isn't -Infinity", function() {
+    var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
+      result;
+
+    result = matcher.compare(1);
+    expect(result.pass).toBe(false);
+
+    result = matcher.compare(Number.NaN);
+    expect(result.pass).toBe(false);
+
+    result = matcher.compare(null);
+    expect(result.pass).toBe(false);
+  });
+
+  it("has a custom message on failure", function() {
+    var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
+      result = matcher.compare(0);
+
+    expect(result.message()).toEqual("Expected 0 not to be -Infinity.")
+  });
+
+  it("succeeds for -Infinity", function() {
+    var matcher = jasmineUnderTest.matchers.toBeNegativeInfinity(),
+      result = matcher.compare(Number.NEGATIVE_INFINITY);
+
+    expect(result.pass).toBe(true);
+    expect(result.message).toEqual("Expected actual to be -Infinity.")
+  });
+
+});

spec/core/matchers/toBePositiveInfinitySpec.js

@@ -0,0 +1,31 @@
+describe("toBePositiveInfinity", function() {
+  it("fails for anything that isn't Infinity", function() {
+    var matcher = jasmineUnderTest.matchers.toBePositiveInfinity(),
+      result;
+
+    result = matcher.compare(1);
+    expect(result.pass).toBe(false);
+
+    result = matcher.compare(Number.NaN);
+    expect(result.pass).toBe(false);
+
+    result = matcher.compare(null);
+    expect(result.pass).toBe(false);
+  });
+
+  it("has a custom message on failure", function() {
+    var matcher = jasmineUnderTest.matchers.toBePositiveInfinity(),
+      result = matcher.compare(0);
+
+    expect(result.message()).toEqual("Expected 0 not to be Infinity.")
+  });
+
+  it("succeeds for Infinity", function() {
+    var matcher = jasmineUnderTest.matchers.toBePositiveInfinity(),
+      result = matcher.compare(Number.POSITIVE_INFINITY);
+
+    expect(result.pass).toBe(true);
+    expect(result.message).toEqual("Expected actual to be Infinity.")
+  });
+
+});

src/core/matchers/requireMatchers.js

@@ -6,18 +6,20 @@ getJasmineRequireObj().requireMatchers = function(jRequire, j$) {
       'toBeFalsy',
       'toBeGreaterThan',
       'toBeGreaterThanOrEqual',
-      'toBeLessThanOrEqual',
       'toBeLessThan',
+      'toBeLessThanOrEqual',
       'toBeNaN',
+      'toBeNegativeInfinity',
       'toBeNull',
+      'toBePositiveInfinity',
       'toBeTruthy',
       'toBeUndefined',
       'toContain',
       'toEqual',
       'toHaveBeenCalled',
       'toHaveBeenCalledBefore',
-      'toHaveBeenCalledWith',
       'toHaveBeenCalledTimes',
+      'toHaveBeenCalledWith',
       'toMatch',
       'toThrow',
       'toThrowError'

src/core/matchers/toBeNegativeInfinity.js

@@ -0,0 +1,28 @@
+getJasmineRequireObj().toBeNegativeInfinity = function(j$) {
+  /**
+   * {@link expect} the actual value to be `-Infinity` (-infinity).
+   * @function
+   * @name matchers#toBeNegativeInfinity
+   * @example
+   * expect(thing).toBeNegativeInfinity();
+   */
+  function toBeNegativeInfinity() {
+    return {
+      compare: function(actual) {
+        var result = {
+          pass: (actual === Number.NEGATIVE_INFINITY)
+        };
+
+        if (result.pass) {
+          result.message = 'Expected actual to be -Infinity.';
+        } else {
+          result.message = function() { return 'Expected ' + j$.pp(actual) + ' not to be -Infinity.'; };
+        }
+
+        return result;
+      }
+    };
+  }
+
+  return toBeNegativeInfinity;
+};

src/core/matchers/toBePositiveInfinity.js

@@ -0,0 +1,28 @@
+getJasmineRequireObj().toBePositiveInfinity = function(j$) {
+  /**
+   * {@link expect} the actual value to be `Infinity` (infinity).
+   * @function
+   * @name matchers#toBePositiveInfinity
+   * @example
+   * expect(thing).toBePositiveInfinity();
+   */
+  function toBePositiveInfinity() {
+    return {
+      compare: function(actual) {
+        var result = {
+          pass: (actual === Number.POSITIVE_INFINITY)
+        };
+
+        if (result.pass) {
+          result.message = 'Expected actual to be Infinity.';
+        } else {
+          result.message = function() { return 'Expected ' + j$.pp(actual) + ' not to be Infinity.'; };
+        }
+
+        return result;
+      }
+    };
+  }
+
+  return toBePositiveInfinity;
+};