Function expectToBeBStack

test/internal/getReactStack.test.js:101–106

(child)

    }

    function expectToBeBStack(child) {
      expect(child.type).toBe(B);
      expect(child.instance).toBeInstanceOf(B);
      expect(child.children).toHaveLength(1);
      expectToBeAStack(child.children[0]);
    }

    expectToBeAStack(stack.children[0].children[0]);
    expectToBeBStack(stack.children[0].children[1]);