139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "android-base/parseint.h"
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#include <gtest/gtest.h>
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TEST(parseint, signed_smoke) {
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int i = 0;
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ASSERT_FALSE(android::base::ParseInt("x", &i));
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ASSERT_FALSE(android::base::ParseInt("123x", &i));
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ASSERT_TRUE(android::base::ParseInt("123", &i));
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ASSERT_EQ(123, i);
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ASSERT_TRUE(android::base::ParseInt("-123", &i));
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ASSERT_EQ(-123, i);
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short s = 0;
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ASSERT_TRUE(android::base::ParseInt("1234", &s));
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ASSERT_EQ(1234, s);
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ASSERT_TRUE(android::base::ParseInt("12", &i, 0, 15));
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ASSERT_EQ(12, i);
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ASSERT_FALSE(android::base::ParseInt("-12", &i, 0, 15));
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ASSERT_FALSE(android::base::ParseInt("16", &i, 0, 15));
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}
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TEST(parseint, unsigned_smoke) {
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unsigned int i = 0u;
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ASSERT_FALSE(android::base::ParseUint("x", &i));
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ASSERT_FALSE(android::base::ParseUint("123x", &i));
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ASSERT_TRUE(android::base::ParseUint("123", &i));
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ASSERT_EQ(123u, i);
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ASSERT_FALSE(android::base::ParseUint("-123", &i));
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unsigned short s = 0u;
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ASSERT_TRUE(android::base::ParseUint("1234", &s));
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ASSERT_EQ(1234u, s);
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ASSERT_TRUE(android::base::ParseUint("12", &i, 15u));
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ASSERT_EQ(12u, i);
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ASSERT_FALSE(android::base::ParseUint("-12", &i, 15u));
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ASSERT_FALSE(android::base::ParseUint("16", &i, 15u));
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}
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TEST(parseint, no_implicit_octal) {
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int i = 0;
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ASSERT_TRUE(android::base::ParseInt("0123", &i));
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ASSERT_EQ(123, i);
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unsigned int u = 0u;
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ASSERT_TRUE(android::base::ParseUint("0123", &u));
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ASSERT_EQ(123u, u);
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}
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TEST(parseint, explicit_hex) {
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int i = 0;
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ASSERT_TRUE(android::base::ParseInt("0x123", &i));
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ASSERT_EQ(0x123, i);
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unsigned int u = 0u;
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ASSERT_TRUE(android::base::ParseUint("0x123", &u));
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ASSERT_EQ(0x123u, u);
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}
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TEST(parseint, string) {
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int i = 0;
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ASSERT_TRUE(android::base::ParseInt(std::string("123"), &i));
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ASSERT_EQ(123, i);
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unsigned int u = 0u;
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ASSERT_TRUE(android::base::ParseUint(std::string("123"), &u));
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ASSERT_EQ(123u, u);
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}
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TEST(parseint, untouched_on_failure) {
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int i = 123;
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ASSERT_FALSE(android::base::ParseInt("456x", &i));
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ASSERT_EQ(123, i);
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unsigned int u = 123u;
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ASSERT_FALSE(android::base::ParseInt("456x", &u));
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ASSERT_EQ(123u, u);
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}
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TEST(parseint, ParseByteCount) {
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uint64_t i = 0;
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ASSERT_TRUE(android::base::ParseByteCount("123b", &i));
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ASSERT_EQ(123ULL, i);
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ASSERT_TRUE(android::base::ParseByteCount("8k", &i));
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ASSERT_EQ(8ULL * 1024, i);
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ASSERT_TRUE(android::base::ParseByteCount("8M", &i));
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ASSERT_EQ(8ULL * 1024 * 1024, i);
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ASSERT_TRUE(android::base::ParseByteCount("6g", &i));
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ASSERT_EQ(6ULL * 1024 * 1024 * 1024, i);
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ASSERT_TRUE(android::base::ParseByteCount("1T", &i));
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ASSERT_EQ(1ULL * 1024 * 1024 * 1024 * 1024, i);
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ASSERT_TRUE(android::base::ParseByteCount("2p", &i));
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ASSERT_EQ(2ULL * 1024 * 1024 * 1024 * 1024 * 1024, i);
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ASSERT_TRUE(android::base::ParseByteCount("4e", &i));
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ASSERT_EQ(4ULL * 1024 * 1024 * 1024 * 1024 * 1024 * 1024, i);
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}
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TEST(parseint, ParseByteCount_invalid_suffix) {
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unsigned u;
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ASSERT_FALSE(android::base::ParseByteCount("1x", &u));
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}
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TEST(parseint, ParseByteCount_overflow) {
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uint64_t u64;
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ASSERT_FALSE(android::base::ParseByteCount("4294967295E", &u64));
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uint16_t u16;
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ASSERT_TRUE(android::base::ParseByteCount("63k", &u16));
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ASSERT_EQ(63U * 1024, u16);
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ASSERT_TRUE(android::base::ParseByteCount("65535b", &u16));
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ASSERT_EQ(65535U, u16);
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ASSERT_FALSE(android::base::ParseByteCount("65k", &u16));
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}
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