public async Task AllThrowsArgumentNullExceptionWhenSourceIsNull()
{
IAsyncEnumerable <int> source = null;
source.ShouldBeNull();
await source.AllAsync(x => x % 2 == 0).ShouldThrowAsync <bool, ArgumentNullException>();
}
private static async Task CheckPosts(PostsSearchQuery postsSearchQuery, IAsyncEnumerable <IPost> posts)
{
Assert.True(postsSearchQuery.MaximumResults >= await posts.CountAsync());
Assert.True(await posts.AllAsync(post => post.CreatedAt >= postsSearchQuery.Since));
}
private async Task CheckPostsAuthor(IAsyncEnumerable <IPost> posts, IUser author)
{
Assert.True(
await posts
.AllAsync(post => post.Author.Id == author.Id));
}