1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2011 Greg Farnum <gregory.farnum@dreamhost.com>
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
14 #include "include/Context.h"
15 #include "gtest/gtest.h"
17 class C_Checker : public Context {
21 C_Checker(bool* _finish_called, int *r) :
22 finish_called(_finish_called), result(r) {}
23 void finish(int r) override { *finish_called = true; *result = r; }
26 TEST(ContextGather, Constructor) {
27 C_GatherBuilder gather(g_ceph_context);
28 EXPECT_FALSE(gather.has_subs());
29 EXPECT_TRUE(gather.get() == NULL);
32 TEST(ContextGather, OneSub) {
33 C_GatherBuilder gather(g_ceph_context);
34 Context *sub = gather.new_sub();
35 EXPECT_EQ(1, gather.num_subs_created());
36 EXPECT_EQ(1, gather.num_subs_remaining());
38 bool finish_called = false;
40 C_Checker *checker = new C_Checker(&finish_called, &result);
41 gather.set_finisher(checker);
44 EXPECT_TRUE(finish_called);
48 TEST(ContextGather, ManySubs) {
49 bool finish_called = false;
51 C_GatherBuilder gather(g_ceph_context, new C_Checker(&finish_called, &result));
53 Context* subs[sub_count];
54 //create subs and test
55 for (int i = 0; i < sub_count; ++i) {
56 subs[i] = gather.new_sub();
57 EXPECT_EQ(i+1, gather.num_subs_created());
58 EXPECT_EQ(i+1, gather.num_subs_remaining());
60 EXPECT_TRUE(gather.has_subs());
63 //finish all except one sub
64 for (int j = 0; j < sub_count - 1; ++j) {
66 EXPECT_FALSE(finish_called);
69 //finish last one and check asserts
70 subs[sub_count-1]->complete(0);
71 EXPECT_TRUE(finish_called);
74 TEST(ContextGather, AlternatingSubCreateFinish) {
75 C_GatherBuilder gather(g_ceph_context);
77 bool finish_called = false;
79 C_Checker *checker = new C_Checker(&finish_called, &result);
80 gather.set_finisher(checker);
81 Context* subs[sub_count];
83 //create half the subs
84 for (int i = 0; i < sub_count / 2; ++i) {
85 subs[i] = gather.new_sub();
86 EXPECT_EQ(i + 1, gather.num_subs_created());
87 EXPECT_EQ(i + 1, gather.num_subs_remaining());
90 //alternate finishing first half of subs and creating last half of subs
91 for (int j = 0; j < sub_count / 2; ++j) {
93 subs[sub_count / 2 + j] = gather.new_sub();
97 //finish last half of subs
98 for (int k = sub_count / 2; k < sub_count; ++k) {
102 EXPECT_TRUE(finish_called);