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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/environment.h"
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
typedef PlatformTest EnvironmentTest;
namespace base {
TEST_F(EnvironmentTest, GetVar) {
// Every setup should have non-empty PATH...
scoped_ptr<Environment> env(Environment::Create());
std::string env_value;
EXPECT_TRUE(env->GetVar("PATH", &env_value));
EXPECT_NE(env_value, "");
}
TEST_F(EnvironmentTest, GetVarReverse) {
scoped_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
// Set a variable in UPPER case.
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// And then try to get this variable passing the lower case.
std::string env_value;
EXPECT_TRUE(env->GetVar(kFooLower, &env_value));
EXPECT_STREQ(env_value.c_str(), kFooLower);
EXPECT_TRUE(env->UnSetVar(kFooUpper));
const char kBar[] = "bar";
// Now do the opposite, set the variable in the lower case.
EXPECT_TRUE(env->SetVar(kFooLower, kBar));
// And then try to get this variable passing the UPPER case.
EXPECT_TRUE(env->GetVar(kFooUpper, &env_value));
EXPECT_STREQ(env_value.c_str(), kBar);
EXPECT_TRUE(env->UnSetVar(kFooLower));
}
TEST_F(EnvironmentTest, HasVar) {
// Every setup should have PATH...
scoped_ptr<Environment> env(Environment::Create());
EXPECT_TRUE(env->HasVar("PATH"));
}
TEST_F(EnvironmentTest, SetVar) {
scoped_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// Now verify that the environment has the new variable.
EXPECT_TRUE(env->HasVar(kFooUpper));
std::string var_value;
EXPECT_TRUE(env->GetVar(kFooUpper, &var_value));
EXPECT_EQ(var_value, kFooLower);
}
TEST_F(EnvironmentTest, UnSetVar) {
scoped_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
// First set some environment variable.
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// Now verify that the environment has the new variable.
EXPECT_TRUE(env->HasVar(kFooUpper));
// Finally verify that the environment variable was erased.
EXPECT_TRUE(env->UnSetVar(kFooUpper));
// And check that the variable has been unset.
EXPECT_FALSE(env->HasVar(kFooUpper));
}
#if defined(OS_WIN)
TEST_F(EnvironmentTest, AlterEnvironment) {
const wchar_t empty[] = L"\0";
const wchar_t a2[] = L"A=2\0";
EnvironmentMap changes;
string16 e;
e = AlterEnvironment(empty, changes);
EXPECT_EQ(0, e[0]);
changes[L"A"] = L"1";
e = AlterEnvironment(empty, changes);
EXPECT_EQ(string16(L"A=1\0\0", 5), e);
changes.clear();
changes[L"A"] = string16();
e = AlterEnvironment(empty, changes);
EXPECT_EQ(string16(L"\0\0", 2), e);
changes.clear();
e = AlterEnvironment(a2, changes);
EXPECT_EQ(string16(L"A=2\0\0", 5), e);
changes.clear();
changes[L"A"] = L"1";
e = AlterEnvironment(a2, changes);
EXPECT_EQ(string16(L"A=1\0\0", 5), e);
changes.clear();
changes[L"A"] = string16();
e = AlterEnvironment(a2, changes);
EXPECT_EQ(string16(L"\0\0", 2), e);
}
#else
TEST_F(EnvironmentTest, AlterEnvironment) {
const char* const empty[] = { NULL };
const char* const a2[] = { "A=2", NULL };
EnvironmentMap changes;
scoped_ptr<char*[]> e;
e = AlterEnvironment(empty, changes).Pass();
EXPECT_TRUE(e[0] == NULL);
changes["A"] = "1";
e = AlterEnvironment(empty, changes);
EXPECT_EQ(std::string("A=1"), e[0]);
EXPECT_TRUE(e[1] == NULL);
changes.clear();
changes["A"] = std::string();
e = AlterEnvironment(empty, changes);
EXPECT_TRUE(e[0] == NULL);
changes.clear();
e = AlterEnvironment(a2, changes);
EXPECT_EQ(std::string("A=2"), e[0]);
EXPECT_TRUE(e[1] == NULL);
changes.clear();
changes["A"] = "1";
e = AlterEnvironment(a2, changes);
EXPECT_EQ(std::string("A=1"), e[0]);
EXPECT_TRUE(e[1] == NULL);
changes.clear();
changes["A"] = std::string();
e = AlterEnvironment(a2, changes);
EXPECT_TRUE(e[0] == NULL);
}
#endif
} // namespace base
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