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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.
#include "graph.h"
#include "test.h"
struct GraphTest : public StateTestWithBuiltinRules {
VirtualFileSystem fs_;
};
TEST_F(GraphTest, MissingImplicit) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out: cat in | implicit\n"));
fs_.Create("in", 1, "");
fs_.Create("out", 1, "");
Edge* edge = GetNode("out")->in_edge_;
string err;
EXPECT_TRUE(edge->RecomputeDirty(&state_, &fs_, &err));
ASSERT_EQ("", err);
// A missing implicit dep does not make the output dirty.
EXPECT_FALSE(GetNode("out")->dirty_);
}
TEST_F(GraphTest, FunkyMakefilePath) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"rule catdep\n"
" depfile = $out.d\n"
" command = cat $in > $out\n"
"build out.o: catdep foo.cc\n"));
fs_.Create("implicit.h", 2, "");
fs_.Create("foo.cc", 1, "");
fs_.Create("out.o.d", 1, "out.o: ./foo/../implicit.h\n");
fs_.Create("out.o", 1, "");
Edge* edge = GetNode("out.o")->in_edge_;
string err;
EXPECT_TRUE(edge->RecomputeDirty(&state_, &fs_, &err));
ASSERT_EQ("", err);
// implicit.h has changed, though our depfile refers to it with a
// non-canonical path; we should still find it.
EXPECT_TRUE(GetNode("out.o")->dirty_);
}
TEST_F(GraphTest, ExplicitImplicit) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"rule catdep\n"
" depfile = $out.d\n"
" command = cat $in > $out\n"
"build implicit.h: cat data\n"
"build out.o: catdep foo.cc || implicit.h\n"));
fs_.Create("data", 2, "");
fs_.Create("implicit.h", 1, "");
fs_.Create("foo.cc", 1, "");
fs_.Create("out.o.d", 1, "out.o: implicit.h\n");
fs_.Create("out.o", 1, "");
Edge* edge = GetNode("out.o")->in_edge_;
string err;
EXPECT_TRUE(edge->RecomputeDirty(&state_, &fs_, &err));
ASSERT_EQ("", err);
// We have both an implicit and an explicit dep on implicit.h.
// The implicit dep should "win" (in the sense that it should cause
// the output to be dirty).
EXPECT_TRUE(GetNode("out.o")->dirty_);
}
TEST_F(GraphTest, PathWithCurrentDirectory) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"rule catdep\n"
" depfile = $out.d\n"
" command = cat $in > $out\n"
"build ./out.o: catdep ./foo.cc\n"));
fs_.Create("foo.cc", 1, "");
fs_.Create("out.o.d", 1, "out.o: foo.cc\n");
fs_.Create("out.o", 1, "");
Edge* edge = GetNode("out.o")->in_edge_;
string err;
EXPECT_TRUE(edge->RecomputeDirty(&state_, &fs_, &err));
ASSERT_EQ("", err);
EXPECT_FALSE(GetNode("out.o")->dirty_);
}
TEST_F(GraphTest, RootNodes) {
ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
"build out1: cat in1\n"
"build mid1: cat in1\n"
"build out2: cat mid1\n"
"build out3 out4: cat mid1\n"));
string err;
vector<Node*> root_nodes = state_.RootNodes(&err);
EXPECT_EQ(4, root_nodes.size());
for (size_t i = 0; i < root_nodes.size(); ++i) {
string name = root_nodes[i]->file_->path_;
EXPECT_EQ("out", name.substr(0, 3));
}
}
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