Added a jasmine.exactly asymmetric equality tester

src/core/asymmetric_equality/Exactly.js

@@ -0,0 +1,17 @@
+getJasmineRequireObj().Exactly = function(j$) {
+  class Exactly {
+    constructor(expected) {
+      this.expected_ = expected;
+    }
+
+    asymmetricMatch(actual) {
+      return actual === this.expected_;
+    }
+
+    jasmineToString(pp) {
+      return `<jasmine.exactly(${pp(this.expected_)})>`;
+    }
+  }
+
+  return Exactly;
+};

src/core/base.js

@@ -283,6 +283,18 @@ getJasmineRequireObj().base = function(j$, jasmineGlobal) {
     return new j$.Empty();
   };
 
+  /**
+   * Get an {@link AsymmetricEqualityTester}, usable in any {@link matchers|matcher}
+   * that passes if the actual value is the same as the sample as determined
+   * by the `===` operator.
+   * @name jasmine.exactly
+   * @function
+   * @param {Object} sample - The value to compare the actual to.
+   */
+  j$.exactly = function(sample) {
+    return new j$.Exactly(sample);
+  };
+
   /**
    * Get an {@link AsymmetricEqualityTester}, usable in any {@link matchers|matcher} that uses Jasmine's equality (e.g. {@link matchers#toEqual|toEqual}, {@link matchers#toContain|toContain}, or {@link matchers#toHaveBeenCalledWith|toHaveBeenCalledWith}),
    * that will succeed if the actual value being compared is not empty.

src/core/requireCore.js

@@ -91,6 +91,7 @@ var getJasmineRequireObj = (function(jasmineGlobal) {
     j$.Falsy = jRequire.Falsy(j$);
     j$.Empty = jRequire.Empty(j$);
     j$.NotEmpty = jRequire.NotEmpty(j$);
+    j$.Exactly = jRequire.Exactly(j$);
 
     j$.matchers = jRequire.requireMatchers(jRequire, j$);
     j$.asyncMatchers = jRequire.requireAsyncMatchers(jRequire, j$);