1 files changed, 70 insertions, 0 deletions
diff --git a/js/testing/testing_test.ts b/js/testing/testing_test.ts
new file mode 100644
index 000000000..9b32884eb
--- /dev/null
+++ b/js/testing/testing_test.ts
@@ -0,0 +1,70 @@
+/*!
+   Copyright 2018 Propel http://propel.site/.  All rights reserved.
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+
+import { test, assert, assertEqual, equal } from "./testing.ts";
+
+test(function testingEqual() {
+  assert(equal("world", "world"));
+  assert(!equal("hello", "world"));
+  assert(equal(5, 5));
+  assert(!equal(5, 6));
+  assert(equal(NaN, NaN));
+  assert(equal({ hello: "world" }, { hello: "world" }));
+  assert(!equal({ world: "hello" }, { hello: "world" }));
+  assert(
+    equal(
+      { hello: "world", hi: { there: "everyone" } },
+      { hello: "world", hi: { there: "everyone" } }
+    )
+  );
+  assert(
+    !equal(
+      { hello: "world", hi: { there: "everyone" } },
+      { hello: "world", hi: { there: "everyone else" } }
+    )
+  );
+});
+
+test(function testingAssertEqual() {
+  const a = Object.create(null);
+  a.b = "foo";
+  assertEqual(a, a);
+});
+
+test(function testingAssertEqualActualUncoercable() {
+  let didThrow = false;
+  const a = Object.create(null);
+  try {
+    assertEqual(a, "bar");
+  } catch (e) {
+    didThrow = true;
+    console.log(e.message);
+    assert(e.message === "actual: [Cannot display] expected: bar");
+  }
+  assert(didThrow);
+});
+
+test(function testingAssertEqualExpectedUncoercable() {
+  let didThrow = false;
+  const a = Object.create(null);
+  try {
+    assertEqual("bar", a);
+  } catch (e) {
+    didThrow = true;
+    console.log(e.message);
+    assert(e.message === "actual: bar expected: [Cannot display]");
+  }
+  assert(didThrow);
+});