Merge pull request #30059 from cexbrayat/feat/jasmine-with-context

Jasmine: Adds withContext method on Matcher<T>

types/jasmine/index.d.ts

@@ -454,6 +454,12 @@ declare namespace jasmine {
         toThrowError(message?: string | RegExp): boolean;
         toThrowError(expected?: new (...args: any[]) => Error, message?: string | RegExp): boolean;
 
+        /**
+         * Add some context for an expect.
+         * @param message - Additional context to show when the matcher fails
+         */
+        withContext(message: string): Matchers<T>;
+
         not: Matchers<T>;
 
         Any: Any;

types/jasmine/jasmine-tests.ts

@@ -246,6 +246,12 @@ describe("A spec", () => {
     });
 });
 
+describe("withContext", () => {
+    it("can be used after an expectation", () => {
+        expect(1).withContext('context message').toBe(1);
+    });
+});
+
 xdescribe("A spec", () => {
     var foo: number;