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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 "depfile_parser.h"
#include <gtest/gtest.h>
struct DepfileParserTest : public testing::Test {
bool Parse(const char* input, string* err);
DepfileParser parser_;
string input_;
};
bool DepfileParserTest::Parse(const char* input, string* err) {
input_ = input;
return parser_.Parse(&input_, err);
}
TEST_F(DepfileParserTest, Basic) {
string err;
EXPECT_TRUE(Parse(
"build/ninja.o: ninja.cc ninja.h eval_env.h manifest_parser.h\n",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("build/ninja.o", parser_.out_.AsString());
EXPECT_EQ(4u, parser_.ins_.size());
}
TEST_F(DepfileParserTest, EarlyNewlineAndWhitespace) {
string err;
EXPECT_TRUE(Parse(
" \\\n"
" out: in\n",
&err));
ASSERT_EQ("", err);
}
TEST_F(DepfileParserTest, Continuation) {
string err;
EXPECT_TRUE(Parse(
"foo.o: \\\n"
" bar.h baz.h\n",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("foo.o", parser_.out_.AsString());
EXPECT_EQ(2u, parser_.ins_.size());
}
TEST_F(DepfileParserTest, BackSlashes) {
string err;
EXPECT_TRUE(Parse(
"Project\\Dir\\Build\\Release8\\Foo\\Foo.res : \\\n"
" Dir\\Library\\Foo.rc \\\n"
" Dir\\Library\\Version\\Bar.h \\\n"
" Dir\\Library\\Foo.ico \\\n"
" Project\\Thing\\Bar.tlb \\\n",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("Project\\Dir\\Build\\Release8\\Foo\\Foo.res",
parser_.out_.AsString());
EXPECT_EQ(4u, parser_.ins_.size());
}
TEST_F(DepfileParserTest, Spaces) {
string err;
EXPECT_TRUE(Parse(
"a\\ bc\\ def: a\\ b c d",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("a bc def",
parser_.out_.AsString());
ASSERT_EQ(3u, parser_.ins_.size());
EXPECT_EQ("a b",
parser_.ins_[0].AsString());
EXPECT_EQ("c",
parser_.ins_[1].AsString());
EXPECT_EQ("d",
parser_.ins_[2].AsString());
}
TEST_F(DepfileParserTest, Escapes) {
// Put backslashes before a variety of characters, see which ones make
// it through.
string err;
EXPECT_TRUE(Parse(
"\\!\\@\\#\\$\\%\\^\\&\\\\",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("\\!\\@#$\\%\\^\\&\\",
parser_.out_.AsString());
ASSERT_EQ(0u, parser_.ins_.size());
}
TEST_F(DepfileParserTest, SpecialChars) {
string err;
EXPECT_TRUE(Parse(
"C:/Program\\ Files\\ (x86)/Microsoft\\ crtdefs.h: \n"
" en@quot.header~ t+t-x=1",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("C:/Program Files (x86)/Microsoft crtdefs.h",
parser_.out_.AsString());
ASSERT_EQ(2u, parser_.ins_.size());
EXPECT_EQ("en@quot.header~",
parser_.ins_[0].AsString());
EXPECT_EQ("t+t-x=1",
parser_.ins_[1].AsString());
}
TEST_F(DepfileParserTest, UnifyMultipleOutputs) {
// check that multiple duplicate targets are properly unified
string err;
EXPECT_TRUE(Parse("foo foo: x y z", &err));
ASSERT_EQ(parser_.out_.AsString(), "foo");
ASSERT_EQ(parser_.ins_.size(), 3u);
EXPECT_EQ("x", parser_.ins_[0].AsString());
EXPECT_EQ("y", parser_.ins_[1].AsString());
EXPECT_EQ("z", parser_.ins_[2].AsString());
}
TEST_F(DepfileParserTest, RejectMultipleDifferentOutputs) {
// check that multiple different outputs are rejected by the parser
string err;
EXPECT_FALSE(Parse("foo bar: x y z", &err));
}
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