From ff3bccf613fe50b431f90b686c17384cdd8e5838 Mon Sep 17 00:00:00 2001
From: Josh Goldberg <joshuakgoldberg@outlook.com>
Date: Mon, 9 Jul 2018 11:13:41 -0700
Subject: [PATCH] Added a few missing tests for Jest (#27134)

---
 types/jest/jest-tests.ts | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/types/jest/jest-tests.ts b/types/jest/jest-tests.ts
index c6b00a4479..c54ebc3369 100644
--- a/types/jest/jest-tests.ts
+++ b/types/jest/jest-tests.ts
@@ -425,6 +425,72 @@ expect.extend({
         };
     }
 });
+expect.extend({
+    async foo(this: jest.MatcherUtils, received: {}, ...actual: Array<{}>) {
+        return {
+            message: () => JSON.stringify(received),
+            pass: false,
+        };
+    }
+});
+expect.extend({
+    foo(this: jest.MatcherUtils) {
+        const isNot: boolean = this.isNot;
+
+        const expectedColor = this.utils.EXPECTED_COLOR("blue");
+        const receivedColor = this.utils.EXPECTED_COLOR("red");
+
+        this.utils.ensureActualIsNumber({});
+        this.utils.ensureActualIsNumber({}, "matcher");
+
+        this.utils.ensureExpectedIsNumber({});
+        this.utils.ensureExpectedIsNumber({}, "matcher");
+
+        this.utils.ensureNoExpected({});
+        this.utils.ensureNoExpected({}, "matcher");
+
+        this.utils.ensureNumbers({}, {});
+        this.utils.ensureNumbers({}, {}, "matcher");
+
+        const valueType: string = this.utils.getType({});
+
+        this.utils.matcherHint("matcher");
+        this.utils.matcherHint("matcher", "received");
+        this.utils.matcherHint("matcher", "received", "expected");
+        this.utils.matcherHint("matcher", "received", "expected", {});
+        this.utils.matcherHint("matcher", "received", "expected", {
+            isDirectExpectCall: true,
+        });
+        this.utils.matcherHint("matcher", "received", "expected", {
+            secondArgument: "",
+        });
+        this.utils.matcherHint("matcher", "received", "expected", {
+            isDirectExpectCall: true,
+            secondArgument: "",
+        });
+
+        const plural: string = this.utils.pluralize("word", 3);
+
+        const expectedPrinted: string = this.utils.printExpected({});
+
+        const receivedPrinted: string = this.utils.printReceived({});
+
+        const printedWithType: string = this.utils.printWithType(
+            "name",
+            {},
+            (value: {}) => "");
+
+        const stringified: string = this.utils.stringify({});
+        const stringifiedWithMaxDepth: string = this.utils.stringify({}, 3);
+
+        const equals: boolean = this.equals({}, {});
+
+        return {
+            message: () => "",
+            pass: false,
+        };
+    }
+});
 
 /* Basic matchers */