Asserts that an object contain the provided value.
The value must be an object
Symbol
MatchersBuiltin.toContainValue
@param expected
the expected value
const shallow = { hello: "world" };
const deep = { message: shallow };
const deepArray = { message: [shallow] };
const o = { a: "foo", b: [1, "hello", true], c: "baz" };
expect(shallow).toContainValue("world");
expect({ foo: false }).toContainValue(false);
expect(deep).toContainValue({ hello: "world" });
expect(deepArray).toContainValue([{ hello: "world" }]);
expect(o).toContainValue("foo", "barr");
expect(o).toContainValue([1, "hello", true]);
expect(o).not.toContainValue("qux");
// NOT
expect(shallow).not.toContainValue("foo");
expect(deep).not.toContainValue({ foo: "bar" });
expect(deepArray).not.toContainValue([{ foo: "bar" }]);