1 files changed, 263 insertions, 0 deletions
diff --git a/std/testing/test.ts b/std/testing/test.ts
new file mode 100644
index 000000000..dd6d772f6
--- /dev/null
+++ b/std/testing/test.ts
@@ -0,0 +1,263 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { test, runIfMain } from "./mod.ts";
+import {
+  assert,
+  assertEquals,
+  assertStrictEq,
+  assertThrows,
+  assertThrowsAsync
+} from "./asserts.ts";
+
+test(function testingAssertEqualActualUncoercable(): void {
+  let didThrow = false;
+  const a = Object.create(null);
+  try {
+    assertEquals(a, "bar");
+  } catch (e) {
+    didThrow = true;
+  }
+  assert(didThrow);
+});
+
+test(function testingAssertEqualExpectedUncoercable(): void {
+  let didThrow = false;
+  const a = Object.create(null);
+  try {
+    assertStrictEq("bar", a);
+  } catch (e) {
+    didThrow = true;
+  }
+  assert(didThrow);
+});
+
+test(function testingAssertStrictEqual(): void {
+  const a = {};
+  const b = a;
+  assertStrictEq(a, b);
+});
+
+test(function testingAssertNotStrictEqual(): void {
+  let didThrow = false;
+  const a = {};
+  const b = {};
+  try {
+    assertStrictEq(a, b);
+  } catch (e) {
+    assert(e.message === "actual: [object Object] expected: [object Object]");
+    didThrow = true;
+  }
+  assert(didThrow);
+});
+
+test(function testingDoesThrow(): void {
+  let count = 0;
+  assertThrows((): void => {
+    count++;
+    throw new Error();
+  });
+  assert(count === 1);
+});
+
+test(function testingDoesNotThrow(): void {
+  let count = 0;
+  let didThrow = false;
+  try {
+    assertThrows((): void => {
+      count++;
+      console.log("Hello world");
+    });
+  } catch (e) {
+    assert(e.message === "Expected function to throw.");
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(function testingThrowsErrorType(): void {
+  let count = 0;
+  assertThrows((): void => {
+    count++;
+    throw new TypeError();
+  }, TypeError);
+  assert(count === 1);
+});
+
+test(function testingThrowsNotErrorType(): void {
+  let count = 0;
+  let didThrow = false;
+  try {
+    assertThrows((): void => {
+      count++;
+      throw new TypeError();
+    }, RangeError);
+  } catch (e) {
+    assert(e.message === `Expected error to be instance of "RangeError".`);
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(function testingThrowsMsgIncludes(): void {
+  let count = 0;
+  assertThrows(
+    (): void => {
+      count++;
+      throw new TypeError("Hello world!");
+    },
+    TypeError,
+    "world"
+  );
+  assert(count === 1);
+});
+
+test(function testingThrowsMsgNotIncludes(): void {
+  let count = 0;
+  let didThrow = false;
+  try {
+    assertThrows(
+      (): void => {
+        count++;
+        throw new TypeError("Hello world!");
+      },
+      TypeError,
+      "foobar"
+    );
+  } catch (e) {
+    assert(
+      e.message ===
+        `Expected error message to include "foobar", but got "Hello world!".`
+    );
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(async function testingDoesThrowAsync(): Promise<void> {
+  let count = 0;
+  await assertThrowsAsync(
+    async (): Promise<void> => {
+      count++;
+      throw new Error();
+    }
+  );
+  assert(count === 1);
+});
+
+test(async function testingDoesReject(): Promise<void> {
+  let count = 0;
+  await assertThrowsAsync(
+    (): Promise<never> => {
+      count++;
+      return Promise.reject(new Error());
+    }
+  );
+  assert(count === 1);
+});
+
+test(async function testingDoesNotThrowAsync(): Promise<void> {
+  let count = 0;
+  let didThrow = false;
+  try {
+    await assertThrowsAsync(
+      async (): Promise<void> => {
+        count++;
+        console.log("Hello world");
+      }
+    );
+  } catch (e) {
+    assert(e.message === "Expected function to throw.");
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(async function testingDoesNotRejectAsync(): Promise<void> {
+  let count = 0;
+  let didThrow = false;
+  try {
+    await assertThrowsAsync(
+      (): Promise<void> => {
+        count++;
+        console.log("Hello world");
+        return Promise.resolve();
+      }
+    );
+  } catch (e) {
+    assert(e.message === "Expected function to throw.");
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(async function testingThrowsAsyncErrorType(): Promise<void> {
+  let count = 0;
+  await assertThrowsAsync((): Promise<void> => {
+    count++;
+    throw new TypeError();
+  }, TypeError);
+  assert(count === 1);
+});
+
+test(async function testingThrowsAsyncNotErrorType(): Promise<void> {
+  let count = 0;
+  let didThrow = false;
+  try {
+    await assertThrowsAsync(async (): Promise<void> => {
+      count++;
+      throw new TypeError();
+    }, RangeError);
+  } catch (e) {
+    assert(e.message === `Expected error to be instance of "RangeError".`);
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test(async function testingThrowsAsyncMsgIncludes(): Promise<void> {
+  let count = 0;
+  await assertThrowsAsync(
+    async (): Promise<void> => {
+      count++;
+      throw new TypeError("Hello world!");
+    },
+    TypeError,
+    "world"
+  );
+  assert(count === 1);
+});
+
+test(async function testingThrowsAsyncMsgNotIncludes(): Promise<void> {
+  let count = 0;
+  let didThrow = false;
+  try {
+    await assertThrowsAsync(
+      async (): Promise<void> => {
+        count++;
+        throw new TypeError("Hello world!");
+      },
+      TypeError,
+      "foobar"
+    );
+  } catch (e) {
+    assert(
+      e.message ===
+        `Expected error message to include "foobar", but got "Hello world!".`
+    );
+    didThrow = true;
+  }
+  assert(count === 1);
+  assert(didThrow);
+});
+
+test("test fn overloading", (): void => {
+  // just verifying that you can use this test definition syntax
+  assert(true);
+});
+
+runIfMain(import.meta);