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// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifdef _WIN32
#include <io.h>
#include <windows.h>
#endif
#include <gtest/gtest.h>
#include "build.h"
#include "graph.h"
#include "parsers.h"
#include "test.h"
TEST(State, Basic) {
State state;
Rule* rule = new Rule("cat");
string err;
EXPECT_TRUE(rule->ParseCommand("cat $in > $out", &err));
ASSERT_EQ("", err);
state.AddRule(rule);
Edge* edge = state.AddEdge(rule);
state.AddIn(edge, "in1");
state.AddIn(edge, "in2");
state.AddOut(edge, "out");
EXPECT_EQ("cat in1 in2 > out", edge->EvaluateCommand());
EXPECT_FALSE(state.GetNode("in1")->dirty());
EXPECT_FALSE(state.GetNode("in2")->dirty());
EXPECT_FALSE(state.GetNode("out")->dirty());
}
struct StatTest : public StateTestWithBuiltinRules,
public DiskInterface {
// DiskInterface implementation.
virtual int Stat(const string& path);
virtual bool MakeDir(const string& path) {
assert(false);
return false;
}
virtual string ReadFile(const string& path, string* err) {
assert(false);
return "";
}
virtual int RemoveFile(const string& path) {
assert(false);
return 0;
}
map<string, time_t> mtimes_;
vector<string> stats_;
};
int StatTest::Stat(const string& path) {
stats_.push_back(path);
map<string, time_t>::iterator i = mtimes_.find(path);
if (i == mtimes_.end())
return 0; // File not found.
return i->second;
}
TEST_F(StatTest, Simple) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out: cat in\n"));
Node* out = GetNode("out");
out->file_->Stat(this);
ASSERT_EQ(1u, stats_.size());
Edge* edge = out->in_edge_;
edge->RecomputeDirty(NULL, this, NULL);
ASSERT_EQ(2u, stats_.size());
ASSERT_EQ("out", stats_[0]);
ASSERT_EQ("in", stats_[1]);
}
TEST_F(StatTest, TwoStep) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out: cat mid\n"
"build mid: cat in\n"));
Node* out = GetNode("out");
out->file_->Stat(this);
ASSERT_EQ(1u, stats_.size());
Edge* edge = out->in_edge_;
edge->RecomputeDirty(NULL, this, NULL);
ASSERT_EQ(3u, stats_.size());
ASSERT_EQ("out", stats_[0]);
ASSERT_TRUE(GetNode("out")->dirty_);
ASSERT_EQ("mid", stats_[1]);
ASSERT_TRUE(GetNode("mid")->dirty_);
ASSERT_EQ("in", stats_[2]);
}
TEST_F(StatTest, Tree) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out: cat mid1 mid2\n"
"build mid1: cat in11 in12\n"
"build mid2: cat in21 in22\n"));
Node* out = GetNode("out");
out->file_->Stat(this);
ASSERT_EQ(1u, stats_.size());
Edge* edge = out->in_edge_;
edge->RecomputeDirty(NULL, this, NULL);
ASSERT_EQ(1u + 6u, stats_.size());
ASSERT_EQ("mid1", stats_[1]);
ASSERT_TRUE(GetNode("mid1")->dirty_);
ASSERT_EQ("in11", stats_[2]);
}
TEST_F(StatTest, Middle) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out: cat mid\n"
"build mid: cat in\n"));
mtimes_["in"] = 1;
mtimes_["mid"] = 0; // missing
mtimes_["out"] = 1;
Node* out = GetNode("out");
out->file_->Stat(this);
ASSERT_EQ(1u, stats_.size());
Edge* edge = out->in_edge_;
edge->RecomputeDirty(NULL, this, NULL);
ASSERT_FALSE(GetNode("in")->dirty_);
ASSERT_TRUE(GetNode("mid")->dirty_);
ASSERT_TRUE(GetNode("out")->dirty_);
}
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