public async Task QueryContainerInformationOfNotCreatedContainer() { // Given var testcontainersBuilder = new TestcontainersBuilder <TestcontainersContainer>() .WithImage("nginx"); // When // Then await using (ITestcontainersContainer testcontainer = testcontainersBuilder.Build()) { Assert.Throws <InvalidOperationException>(() => testcontainer.Name); Assert.Throws <InvalidOperationException>(() => testcontainer.IpAddress); Assert.Throws <InvalidOperationException>(() => testcontainer.MacAddress); Assert.Throws <InvalidOperationException>(() => testcontainer.GetMappedPublicPort(0)); await Assert.ThrowsAsync <InvalidOperationException>(() => testcontainer.StopAsync()); } }