platform_system_core/base/parseint_test.cpp
Steven Moreland a96e43d3d6 ParseInt/ParseUint: allow validation only.
Removes segfault if T* out != nullptr and just
returns validation result.

Bug: 110758329
Test: libbase_test
Change-Id: I0f304533a7076bba977fbd1a715b9cc0d9e58e75
2018-07-20 11:02:47 -07:00

147 lines
4.3 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 "android-base/parseint.h"
#include <gtest/gtest.h>
TEST(parseint, signed_smoke) {
int i = 0;
ASSERT_FALSE(android::base::ParseInt("x", &i));
ASSERT_FALSE(android::base::ParseInt("123x", &i));
ASSERT_TRUE(android::base::ParseInt("123", &i));
ASSERT_EQ(123, i);
ASSERT_TRUE(android::base::ParseInt("-123", &i));
ASSERT_EQ(-123, i);
short s = 0;
ASSERT_TRUE(android::base::ParseInt("1234", &s));
ASSERT_EQ(1234, s);
ASSERT_TRUE(android::base::ParseInt("12", &i, 0, 15));
ASSERT_EQ(12, i);
ASSERT_FALSE(android::base::ParseInt("-12", &i, 0, 15));
ASSERT_FALSE(android::base::ParseInt("16", &i, 0, 15));
ASSERT_FALSE(android::base::ParseInt<int>("x", nullptr));
ASSERT_FALSE(android::base::ParseInt<int>("123x", nullptr));
ASSERT_TRUE(android::base::ParseInt<int>("1234", nullptr));
}
TEST(parseint, unsigned_smoke) {
unsigned int i = 0u;
ASSERT_FALSE(android::base::ParseUint("x", &i));
ASSERT_FALSE(android::base::ParseUint("123x", &i));
ASSERT_TRUE(android::base::ParseUint("123", &i));
ASSERT_EQ(123u, i);
ASSERT_FALSE(android::base::ParseUint("-123", &i));
unsigned short s = 0u;
ASSERT_TRUE(android::base::ParseUint("1234", &s));
ASSERT_EQ(1234u, s);
ASSERT_TRUE(android::base::ParseUint("12", &i, 15u));
ASSERT_EQ(12u, i);
ASSERT_FALSE(android::base::ParseUint("-12", &i, 15u));
ASSERT_FALSE(android::base::ParseUint("16", &i, 15u));
ASSERT_FALSE(android::base::ParseUint<unsigned short>("x", nullptr));
ASSERT_FALSE(android::base::ParseUint<unsigned short>("123x", nullptr));
ASSERT_TRUE(android::base::ParseUint<unsigned short>("1234", nullptr));
}
TEST(parseint, no_implicit_octal) {
int i = 0;
ASSERT_TRUE(android::base::ParseInt("0123", &i));
ASSERT_EQ(123, i);
unsigned int u = 0u;
ASSERT_TRUE(android::base::ParseUint("0123", &u));
ASSERT_EQ(123u, u);
}
TEST(parseint, explicit_hex) {
int i = 0;
ASSERT_TRUE(android::base::ParseInt("0x123", &i));
ASSERT_EQ(0x123, i);
unsigned int u = 0u;
ASSERT_TRUE(android::base::ParseUint("0x123", &u));
ASSERT_EQ(0x123u, u);
}
TEST(parseint, string) {
int i = 0;
ASSERT_TRUE(android::base::ParseInt(std::string("123"), &i));
ASSERT_EQ(123, i);
unsigned int u = 0u;
ASSERT_TRUE(android::base::ParseUint(std::string("123"), &u));
ASSERT_EQ(123u, u);
}
TEST(parseint, untouched_on_failure) {
int i = 123;
ASSERT_FALSE(android::base::ParseInt("456x", &i));
ASSERT_EQ(123, i);
unsigned int u = 123u;
ASSERT_FALSE(android::base::ParseInt("456x", &u));
ASSERT_EQ(123u, u);
}
TEST(parseint, ParseByteCount) {
uint64_t i = 0;
ASSERT_TRUE(android::base::ParseByteCount("123b", &i));
ASSERT_EQ(123ULL, i);
ASSERT_TRUE(android::base::ParseByteCount("8k", &i));
ASSERT_EQ(8ULL * 1024, i);
ASSERT_TRUE(android::base::ParseByteCount("8M", &i));
ASSERT_EQ(8ULL * 1024 * 1024, i);
ASSERT_TRUE(android::base::ParseByteCount("6g", &i));
ASSERT_EQ(6ULL * 1024 * 1024 * 1024, i);
ASSERT_TRUE(android::base::ParseByteCount("1T", &i));
ASSERT_EQ(1ULL * 1024 * 1024 * 1024 * 1024, i);
ASSERT_TRUE(android::base::ParseByteCount("2p", &i));
ASSERT_EQ(2ULL * 1024 * 1024 * 1024 * 1024 * 1024, i);
ASSERT_TRUE(android::base::ParseByteCount("4e", &i));
ASSERT_EQ(4ULL * 1024 * 1024 * 1024 * 1024 * 1024 * 1024, i);
}
TEST(parseint, ParseByteCount_invalid_suffix) {
unsigned u;
ASSERT_FALSE(android::base::ParseByteCount("1x", &u));
}
TEST(parseint, ParseByteCount_overflow) {
uint64_t u64;
ASSERT_FALSE(android::base::ParseByteCount("4294967295E", &u64));
uint16_t u16;
ASSERT_TRUE(android::base::ParseByteCount("63k", &u16));
ASSERT_EQ(63U * 1024, u16);
ASSERT_TRUE(android::base::ParseByteCount("65535b", &u16));
ASSERT_EQ(65535U, u16);
ASSERT_FALSE(android::base::ParseByteCount("65k", &u16));
}