Added matchers: truthy, falsy, empty and notEmpty

src/core/asymmetric_equality/NotEmpty.js

@@ -0,0 +1,34 @@
+getJasmineRequireObj().NotEmpty = function (j$) {
+
+  function NotEmpty() {}
+
+  NotEmpty.prototype.asymmetricMatch = function (other) {
+    if (typeof other === 'string') {
+      return other.length !== 0;
+    }
+
+    if (other instanceof Array) {
+      return other.length !== 0;
+    }
+
+    if (typeof Map !== 'undefined' && other instanceof Map) {
+      return other.size !== 0;
+    }
+
+    if (typeof Set !== 'undefined' && other instanceof Set) {
+      return other.size !== 0;
+    }
+
+    if (other instanceof Object) {
+      return Object.keys(other).length !== 0;
+    }
+
+    return false;
+  };
+
+  NotEmpty.prototype.jasmineToString = function () {
+    return '<jasmine.notEmpty>';
+  };
+
+  return NotEmpty;
+};