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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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122
security/nss/gtests/der_gtest/der_getint_unittest.cc Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <climits>
#include <memory>
#include "nss.h"
#include "pk11pub.h"
#include "secutil.h"
#include "gtest/gtest.h"
#include "scoped_ptrs.h"
namespace nss_test {
class DERIntegerDecodingTest : public ::testing::Test {
public:
void TestGetInteger(long number, unsigned char *der_number,
unsigned int len) {
SECItem input = {siBuffer, der_number, len};
EXPECT_EQ(number, DER_GetInteger(&input));
}
void GetDerLongMax(unsigned char *der_number, unsigned int len) {
der_number[0] = 0x7F;
for (unsigned int i = 1; i < len; ++i) {
der_number[i] = 0xFF;
}
}
void GetDerLongMin(unsigned char *der_number, unsigned int len) {
der_number[0] = 0x80;
for (unsigned int i = 1; i < len; ++i) {
der_number[i] = 0x00;
}
}
};
TEST_F(DERIntegerDecodingTest, DecodeLongMinus126) {
unsigned char der[] = {0x82};
TestGetInteger(-126, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLong130) {
unsigned char der[] = {0x00, 0x82};
TestGetInteger(130, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLong130Padded) {
unsigned char der[sizeof(long) * 2] = {0};
der[sizeof(der) - 1] = {0x82};
TestGetInteger(130, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLong0) {
unsigned char der[] = {0x00};
TestGetInteger(0, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLong1) {
unsigned char der[] = {0x01};
TestGetInteger(1, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMinus1) {
unsigned char der[] = {0xFF};
TestGetInteger(-1, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMinus1Padded) {
unsigned char der[sizeof(long) * 2];
memset(der, 0xFF, sizeof(der));
TestGetInteger(-1, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMax) {
unsigned char der[sizeof(long)];
GetDerLongMax(der, sizeof(long));
TestGetInteger(LONG_MAX, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMin) {
unsigned char der[sizeof(long)];
GetDerLongMin(der, sizeof(long));
TestGetInteger(LONG_MIN, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMaxMinus1) {
unsigned char der[sizeof(long)];
GetDerLongMax(der, sizeof(long));
der[sizeof(long) - 1] = 0xFE;
TestGetInteger(LONG_MAX - 1, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMinPlus1) {
unsigned char der[sizeof(long)];
GetDerLongMin(der, sizeof(long));
der[sizeof(long) - 1] = 0x01;
TestGetInteger(LONG_MIN + 1, der, sizeof(der));
}
TEST_F(DERIntegerDecodingTest, DecodeLongMinMinus1) {
unsigned char der[sizeof(long) + 1];
GetDerLongMax(der, sizeof(long) + 1);
der[0] = 0xFF;
der[1] = 0x7F;
TestGetInteger(LONG_MIN, der, sizeof(der));
EXPECT_EQ(SEC_ERROR_BAD_DER, PORT_GetError());
}
TEST_F(DERIntegerDecodingTest, DecodeLongMaxPlus1) {
unsigned char der[sizeof(long) + 1];
GetDerLongMin(der, sizeof(long) + 1);
der[0] = 0x00;
der[1] = 0x80;
TestGetInteger(LONG_MAX, der, sizeof(der));
EXPECT_EQ(SEC_ERROR_BAD_DER, PORT_GetError());
}
} // namespace nss_test