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// Copyright (c) 2009 The Chromium OS 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 "brillo/glib/object.h"
#include <gtest/gtest.h>
#include <algorithm>
#include <cstring>
#include <iterator>
#include <string>
using brillo::glib::ScopedPtrArray;
using brillo::glib::ScopedError;
using brillo::glib::Retrieve;
using brillo::glib::Value;
using brillo::Resetter;
namespace { // NOLINT
template <typename T>
void SetRetrieveTest(const T& x) {
Value tmp(x);
T result;
EXPECT_TRUE(Retrieve(tmp, &result));
EXPECT_EQ(result, x);
}
void ModifyValue(Value* x) {
*x = 1.0 / 1231415926.0; // An unlikely value
}
template <typename T, typename O>
void MutableRegularTestValue(const T& x, O modify) {
Value tmp(x);
Value y = tmp; // copy-construction
T result;
EXPECT_TRUE(Retrieve(y, &result));
EXPECT_EQ(result, x);
modify(&y);
LOG(INFO) << "Warning Expected.";
EXPECT_TRUE(!(Retrieve(y, &result) && result == x));
y = tmp; // assignment
EXPECT_TRUE(Retrieve(y, &result));
EXPECT_EQ(result, x);
modify(&y);
LOG(INFO) << "Warning Expected.";
EXPECT_TRUE(!(Retrieve(y, &result) && result == x));
}
void OutArgument(int** x) {
*x = new int(10); // NOLINT
}
} // namespace
TEST(ResetterTest, All) {
std::unique_ptr<int> x;
OutArgument(&Resetter(&x).lvalue());
EXPECT_EQ(*x, 10);
}
TEST(RetrieveTest, Types) {
SetRetrieveTest(std::string("Hello!"));
SetRetrieveTest(static_cast<uint32_t>(10));
SetRetrieveTest(10.5);
SetRetrieveTest(true);
}
TEST(ValueTest, All) {
Value x; // default construction
Value y = x; // copy with default value
x = y; // assignment with default value
Value z(1.5);
x = z; // assignment to default value
MutableRegularTestValue(std::string("Hello!"), &ModifyValue);
}
TEST(ScopedErrorTest, All) {
ScopedError a; // default construction
ScopedError b(::g_error_new(::g_quark_from_static_string("error"), -1,
"")); // constructor
::GError* c = ::g_error_new(::g_quark_from_static_string("error"), -1,
"");
::GError* d = ::g_error_new(::g_quark_from_static_string("error"), -1,
"");
a.reset(c); // reset form 1
(void)d;
}
TEST(ScopedPtrArrayTest, Construction) {
const char item[] = "a string";
char* a = static_cast<char*>(::g_malloc(sizeof(item)));
std::strcpy(a, &item[0]); // NOLINT
::GPtrArray* array = ::g_ptr_array_new();
::g_ptr_array_add(array, ::gpointer(a));
ScopedPtrArray<const char*> x(array);
EXPECT_EQ(x.size(), 1);
EXPECT_EQ(x[0], a); // indexing
}
TEST(ScopedPtrArrayTest, Reset) {
const char item[] = "a string";
char* a = static_cast<char*>(::g_malloc(sizeof(item)));
std::strcpy(a, &item[0]); // NOLINT
ScopedPtrArray<const char*> x; // default construction
x.push_back(a);
EXPECT_EQ(x.size(), 1);
x.reset();
EXPECT_EQ(x.size(), 0);
char* b = static_cast<char*>(::g_malloc(sizeof(item)));
std::strcpy(b, &item[0]); // NOLINT
::GPtrArray* array = ::g_ptr_array_new();
::g_ptr_array_add(array, ::gpointer(b));
x.reset(array);
EXPECT_EQ(x.size(), 1);
}
TEST(ScopedPtrArrayTest, Iteration) {
char* a[] = { static_cast<char*>(::g_malloc(1)),
static_cast<char*>(::g_malloc(1)), static_cast<char*>(::g_malloc(1)) };
ScopedPtrArray<const char*> x;
std::copy(&a[0], &a[3], std::back_inserter(x));
EXPECT_TRUE(std::equal(x.begin(), x.end(), &a[0]));
}