From 87b1b8c461d54170d2cd2d9232659837c1eeadc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Schwarzkopf=20Bal=C3=A1zs?= <schwarzkopfb@icloud.com>
Date: Thu, 20 Aug 2020 17:56:31 +0200
Subject: fix(std/node): misnamed assert exports (#7123)

---
 std/testing/asserts.ts      | 41 +++++++++++++++++++++++++++++++++++++++++
 std/testing/asserts_test.ts | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 72 insertions(+), 1 deletion(-)

(limited to 'std/testing')

diff --git a/std/testing/asserts.ts b/std/testing/asserts.ts
index 4b9241e55..fe8b90f63 100644
--- a/std/testing/asserts.ts
+++ b/std/testing/asserts.ts
@@ -242,10 +242,20 @@ export function assertNotEquals(
  * assertStrictEquals(1, 2)
  * ```
  */
+export function assertStrictEquals(
+  actual: unknown,
+  expected: unknown,
+  msg?: string,
+): void;
 export function assertStrictEquals<T>(
   actual: T,
   expected: T,
   msg?: string,
+): void;
+export function assertStrictEquals(
+  actual: unknown,
+  expected: unknown,
+  msg?: string,
 ): void {
   if (actual === expected) {
     return;
@@ -285,6 +295,37 @@ export function assertStrictEquals<T>(
   throw new AssertionError(message);
 }
 
+/**
+ * Make an assertion that `actual` and `expected` are not strictly equal.  
+ * If the values are strictly equal then throw.
+ * ```ts
+ * assertNotStrictEquals(1, 1)
+ * ```
+ */
+export function assertNotStrictEquals(
+  actual: unknown,
+  expected: unknown,
+  msg?: string,
+): void;
+export function assertNotStrictEquals<T>(
+  actual: T,
+  expected: T,
+  msg?: string,
+): void;
+export function assertNotStrictEquals(
+  actual: unknown,
+  expected: unknown,
+  msg?: string,
+): void {
+  if (actual !== expected) {
+    return;
+  }
+
+  throw new AssertionError(
+    msg ?? `Expected "actual" to be strictly unequal to: ${_format(actual)}\n`,
+  );
+}
+
 /**
  * Make an assertion that actual contains expected. If not
  * then thrown.
diff --git a/std/testing/asserts_test.ts b/std/testing/asserts_test.ts
index 7ea73b5c0..65645b06b 100644
--- a/std/testing/asserts_test.ts
+++ b/std/testing/asserts_test.ts
@@ -8,6 +8,7 @@ import {
   assertMatch,
   assertEquals,
   assertStrictEquals,
+  assertNotStrictEquals,
   assertThrows,
   assertThrowsAsync,
   AssertionError,
@@ -463,13 +464,42 @@ Deno.test({
 });
 
 Deno.test({
-  name: "assert* functions with specified type paratemeter",
+  name: "strictly unequal pass case",
+  fn(): void {
+    assertNotStrictEquals(true, false);
+    assertNotStrictEquals(10, 11);
+    assertNotStrictEquals("abc", "xyz");
+    assertNotStrictEquals(1, "1");
+
+    const xs = [1, false, "foo"];
+    const ys = [1, true, "bar"];
+    assertNotStrictEquals(xs, ys);
+
+    const x = { a: 1 };
+    const y = { a: 2 };
+    assertNotStrictEquals(x, y);
+  },
+});
+
+Deno.test({
+  name: "strictly unequal fail case",
+  fn(): void {
+    assertThrows(
+      () => assertNotStrictEquals(1, 1),
+      AssertionError,
+    );
+  },
+});
+
+Deno.test({
+  name: "assert* functions with specified type parameter",
   fn(): void {
     assertEquals<string>("hello", "hello");
     assertNotEquals<number>(1, 2);
     assertArrayContains<boolean>([true, false], [true]);
     const value = { x: 1 };
     assertStrictEquals<typeof value>(value, value);
+    assertNotStrictEquals<object>(value, { x: 1 });
   },
 });
 
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