777 lines
24 KiB
C++
777 lines
24 KiB
C++
// Copyright (c) 2010 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// byte_cursor_unittest.cc: Unit tests for google_breakpad::ByteBuffer
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// and google_breakpad::ByteCursor.
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#include <string>
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#include <string.h>
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#include "breakpad_googletest_includes.h"
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#include "common/byte_cursor.h"
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#include "common/using_std_string.h"
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using google_breakpad::ByteBuffer;
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using google_breakpad::ByteCursor;
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TEST(Buffer, SizeOfNothing) {
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uint8_t data[1];
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ByteBuffer buffer(data, 0);
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EXPECT_EQ(0U, buffer.Size());
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}
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TEST(Buffer, SizeOfSomething) {
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uint8_t data[10];
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ByteBuffer buffer(data, sizeof(data));
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EXPECT_EQ(10U, buffer.Size());
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}
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TEST(Extent, AvailableEmpty) {
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uint8_t data[1];
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ByteBuffer buffer(data, 0);
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ByteCursor cursor(&buffer);
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EXPECT_EQ(0U, cursor.Available());
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}
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TEST(Extent, AtEndEmpty) {
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uint8_t data[1];
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ByteBuffer buffer(data, 0);
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ByteCursor cursor(&buffer);
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EXPECT_TRUE(cursor.AtEnd());
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}
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TEST(Extent, AsBoolEmpty) {
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uint8_t data[1];
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ByteBuffer buffer(data, 0);
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ByteCursor cursor(&buffer);
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EXPECT_TRUE(cursor);
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}
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TEST(Extent, AvailableSome) {
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uint8_t data[10];
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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EXPECT_EQ(10U, cursor.Available());
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}
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TEST(Extent, AtEndSome) {
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uint8_t data[10];
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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EXPECT_FALSE(cursor.AtEnd());
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EXPECT_TRUE(cursor.Skip(sizeof(data)).AtEnd());
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}
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TEST(Extent, AsBoolSome) {
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uint8_t data[10];
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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EXPECT_TRUE(cursor);
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EXPECT_TRUE(cursor.Skip(sizeof(data)));
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EXPECT_FALSE(cursor.Skip(1));
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}
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TEST(Extent, Cursor) {
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uint8_t data[] = { 0xf7,
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0x9f, 0xbe,
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0x67, 0xfb, 0xd3, 0x58,
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0x6f, 0x36, 0xde, 0xd1,
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0x2a, 0x2a, 0x2a };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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uint8_t a;
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uint16_t b;
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uint32_t c;
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uint32_t d;
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uint8_t stars[3];
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EXPECT_EQ(data + 0U, cursor.here());
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EXPECT_TRUE(cursor >> a);
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EXPECT_EQ(data + 1U, cursor.here());
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EXPECT_TRUE(cursor >> b);
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EXPECT_EQ(data + 3U, cursor.here());
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EXPECT_TRUE(cursor >> c);
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EXPECT_EQ(data + 7U, cursor.here());
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EXPECT_TRUE(cursor.Skip(4));
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EXPECT_EQ(data + 11U, cursor.here());
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EXPECT_TRUE(cursor.Read(stars, 3));
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EXPECT_EQ(data + 14U, cursor.here());
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EXPECT_FALSE(cursor >> d);
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EXPECT_EQ(data + 14U, cursor.here());
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}
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TEST(Extent, SetOffset) {
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uint8_t data[] = { 0x5c, 0x79, 0x8c, 0xd5 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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uint8_t a, b, c, d, e;
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EXPECT_TRUE(cursor >> a);
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EXPECT_EQ(0x5cU, a);
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EXPECT_EQ(data + 1U, cursor.here());
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EXPECT_TRUE(((cursor >> b).set_here(data + 3) >> c).set_here(data + 1)
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>> d >> e);
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EXPECT_EQ(0x79U, b);
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EXPECT_EQ(0xd5U, c);
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EXPECT_EQ(0x79U, d);
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EXPECT_EQ(0x8cU, e);
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EXPECT_EQ(data + 3U, cursor.here());
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}
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TEST(BigEndian, Signed1) {
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uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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cursor.set_big_endian(true);
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int a, b, c, d, e;
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ASSERT_TRUE(cursor
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.Read(1, true, &a)
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.Read(1, true, &b)
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.Read(1, true, &c)
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.Read(1, true, &d));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7f, b);
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EXPECT_EQ(-0x80, c);
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EXPECT_EQ(-1, d);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(1, true, &e));
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}
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TEST(BigEndian, Signed2) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff,
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0x80, 0x00, 0x80, 0x80, 0xff, 0xff,
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0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer, true);
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int a, b, c, d, e, f, g, h, i, j;
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ASSERT_TRUE(cursor
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.Read(2, true, &a)
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.Read(2, true, &b)
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.Read(2, true, &c)
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.Read(2, true, &d)
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.Read(2, true, &e)
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.Read(2, true, &f)
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.Read(2, true, &g)
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.Read(2, true, &h)
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.Read(2, true, &i));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x80, b);
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EXPECT_EQ(0x7fff, c);
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EXPECT_EQ(-0x8000, d);
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EXPECT_EQ(-0x7f80, e);
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EXPECT_EQ(-1, f);
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EXPECT_EQ(0x39f1, g);
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EXPECT_EQ(-0x7544, h);
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EXPECT_EQ(0x5aec, i);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(2, true, &j));
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}
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TEST(BigEndian, Signed4) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x00,
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0x7f, 0xff, 0xff, 0xff,
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0x80, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff,
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0xb6, 0xb1, 0xff, 0xef,
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0x19, 0x6a, 0xca, 0x46 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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cursor.set_big_endian(true);
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int64_t a, b, c, d, e, f, g;
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ASSERT_TRUE(cursor
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.Read(4, true, &a)
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.Read(4, true, &b)
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.Read(4, true, &c)
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.Read(4, true, &d)
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.Read(4, true, &e)
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.Read(4, true, &f));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7fffffff, b);
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EXPECT_EQ(-0x80000000LL, c);
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EXPECT_EQ(-1, d);
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EXPECT_EQ((int32_t) 0xb6b1ffef, e);
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EXPECT_EQ(0x196aca46, f);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(4, true, &g));
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}
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TEST(BigEndian, Signed8) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c,
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0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer, true);
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int64_t a, b, c, d, e, f, g;
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ASSERT_TRUE(cursor
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.Read(8, true, &a)
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.Read(8, true, &b)
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.Read(8, true, &c)
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.Read(8, true, &d)
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.Read(8, true, &e)
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.Read(8, true, &f));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7fffffffffffffffLL, b);
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EXPECT_EQ(-0x7fffffffffffffffLL - 1, c);
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EXPECT_EQ(-1, d);
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EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e);
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EXPECT_EQ(0x4e4249d27f8414a4LL, f);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(8, true, &g));
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}
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TEST(BigEndian, Unsigned1) {
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uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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cursor.set_big_endian(true);
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int32_t a, b, c, d, e;
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ASSERT_TRUE(cursor
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.Read(1, false, &a)
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.Read(1, false, &b)
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.Read(1, false, &c)
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.Read(1, false, &d));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7f, b);
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EXPECT_EQ(0x80, c);
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EXPECT_EQ(0xff, d);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(1, false, &e));
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}
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TEST(BigEndian, Unsigned2) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff,
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0x80, 0x00, 0x80, 0x80, 0xff, 0xff,
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0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer, true);
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int64_t a, b, c, d, e, f, g, h, i, j;
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ASSERT_TRUE(cursor
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.Read(2, false, &a)
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.Read(2, false, &b)
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.Read(2, false, &c)
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.Read(2, false, &d)
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.Read(2, false, &e)
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.Read(2, false, &f)
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.Read(2, false, &g)
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.Read(2, false, &h)
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.Read(2, false, &i));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x80, b);
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EXPECT_EQ(0x7fff, c);
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EXPECT_EQ(0x8000, d);
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EXPECT_EQ(0x8080, e);
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EXPECT_EQ(0xffff, f);
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EXPECT_EQ(0x39f1, g);
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EXPECT_EQ(0x8abc, h);
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EXPECT_EQ(0x5aec, i);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(2, false, &j));
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}
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TEST(BigEndian, Unsigned4) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x00,
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0x7f, 0xff, 0xff, 0xff,
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0x80, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff,
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0xb6, 0xb1, 0xff, 0xef,
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0x19, 0x6a, 0xca, 0x46 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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cursor.set_big_endian(true);
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int64_t a, b, c, d, e, f, g;
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ASSERT_TRUE(cursor
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.Read(4, false, &a)
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.Read(4, false, &b)
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.Read(4, false, &c)
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.Read(4, false, &d)
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.Read(4, false, &e)
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.Read(4, false, &f));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7fffffff, b);
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EXPECT_EQ(0x80000000, c);
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EXPECT_EQ(0xffffffff, d);
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EXPECT_EQ(0xb6b1ffef, e);
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EXPECT_EQ(0x196aca46, f);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(4, false, &g));
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}
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TEST(BigEndian, Unsigned8) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c,
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0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer, true);
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uint64_t a, b, c, d, e, f, g;
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ASSERT_TRUE(cursor
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.Read(8, false, &a)
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.Read(8, false, &b)
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.Read(8, false, &c)
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.Read(8, false, &d)
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.Read(8, false, &e)
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.Read(8, false, &f));
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EXPECT_EQ(0U, a);
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EXPECT_EQ(0x7fffffffffffffffULL, b);
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EXPECT_EQ(0x8000000000000000ULL, c);
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EXPECT_EQ(0xffffffffffffffffULL, d);
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EXPECT_EQ(0x9320d5e9d2d5879cULL, e);
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EXPECT_EQ(0x4e4249d27f8414a4ULL, f);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(8, false, &g));
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}
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TEST(LittleEndian, Signed1) {
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uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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int32_t a, b, c, d, e;
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ASSERT_TRUE(cursor
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.Read(1, true, &a)
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.Read(1, true, &b)
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.Read(1, true, &c)
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.Read(1, true, &d));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7f, b);
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EXPECT_EQ(-0x80, c);
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EXPECT_EQ(-1, d);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(1, true, &e));
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}
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TEST(LittleEndian, Signed2) {
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uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f,
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0x00, 0x80, 0x80, 0x80, 0xff, 0xff,
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0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer, false);
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int32_t a, b, c, d, e, f, g, h, i, j;
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ASSERT_TRUE(cursor
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.Read(2, true, &a)
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.Read(2, true, &b)
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.Read(2, true, &c)
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.Read(2, true, &d)
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.Read(2, true, &e)
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.Read(2, true, &f)
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.Read(2, true, &g)
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.Read(2, true, &h)
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.Read(2, true, &i));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x80, b);
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EXPECT_EQ(0x7fff, c);
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EXPECT_EQ(-0x8000, d);
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EXPECT_EQ(-0x7f80, e);
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EXPECT_EQ(-1, f);
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EXPECT_EQ(0x39f1, g);
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EXPECT_EQ(-0x7544, h);
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EXPECT_EQ(0x5aec, i);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(2, true, &j));
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}
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TEST(LittleEndian, Signed4) {
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uint8_t data[] = { 0x00, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0x7f,
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0x00, 0x00, 0x00, 0x80,
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0xff, 0xff, 0xff, 0xff,
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0xef, 0xff, 0xb1, 0xb6,
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0x46, 0xca, 0x6a, 0x19 };
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ByteBuffer buffer(data, sizeof(data));
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ByteCursor cursor(&buffer);
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int64_t a, b, c, d, e, f, g;
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ASSERT_TRUE(cursor
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.Read(4, true, &a)
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.Read(4, true, &b)
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.Read(4, true, &c)
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.Read(4, true, &d)
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.Read(4, true, &e)
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.Read(4, true, &f));
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EXPECT_EQ(0, a);
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EXPECT_EQ(0x7fffffff, b);
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EXPECT_EQ(-0x80000000LL, c);
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EXPECT_EQ(-1, d);
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EXPECT_EQ((int32_t) 0xb6b1ffef, e);
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EXPECT_EQ(0x196aca46, f);
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EXPECT_TRUE(cursor.AtEnd());
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EXPECT_FALSE(cursor.Read(4, true, &g));
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}
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TEST(LittleEndian, Signed8) {
|
|
uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93,
|
|
0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer, false);
|
|
int64_t a, b, c, d, e, f, g;
|
|
ASSERT_TRUE(cursor
|
|
.Read(8, true, &a)
|
|
.Read(8, true, &b)
|
|
.Read(8, true, &c)
|
|
.Read(8, true, &d)
|
|
.Read(8, true, &e)
|
|
.Read(8, true, &f));
|
|
EXPECT_EQ(0, a);
|
|
EXPECT_EQ(0x7fffffffffffffffLL, b);
|
|
EXPECT_EQ(-0x7fffffffffffffffLL - 1, c);
|
|
EXPECT_EQ(-1, d);
|
|
EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e);
|
|
EXPECT_EQ(0x4e4249d27f8414a4LL, f);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor.Read(8, true, &g));
|
|
}
|
|
|
|
TEST(LittleEndian, Unsigned1) {
|
|
uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int32_t a, b, c, d, e;
|
|
ASSERT_TRUE(cursor
|
|
.Read(1, false, &a)
|
|
.Read(1, false, &b)
|
|
.Read(1, false, &c)
|
|
.Read(1, false, &d));
|
|
EXPECT_EQ(0, a);
|
|
EXPECT_EQ(0x7f, b);
|
|
EXPECT_EQ(0x80, c);
|
|
EXPECT_EQ(0xff, d);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor.Read(1, false, &e));
|
|
}
|
|
|
|
TEST(LittleEndian, Unsigned2) {
|
|
uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f,
|
|
0x00, 0x80, 0x80, 0x80, 0xff, 0xff,
|
|
0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int32_t a, b, c, d, e, f, g, h, i, j;
|
|
ASSERT_TRUE(cursor
|
|
.Read(2, false, &a)
|
|
.Read(2, false, &b)
|
|
.Read(2, false, &c)
|
|
.Read(2, false, &d)
|
|
.Read(2, false, &e)
|
|
.Read(2, false, &f)
|
|
.Read(2, false, &g)
|
|
.Read(2, false, &h)
|
|
.Read(2, false, &i));
|
|
EXPECT_EQ(0, a);
|
|
EXPECT_EQ(0x80, b);
|
|
EXPECT_EQ(0x7fff, c);
|
|
EXPECT_EQ(0x8000, d);
|
|
EXPECT_EQ(0x8080, e);
|
|
EXPECT_EQ(0xffff, f);
|
|
EXPECT_EQ(0x39f1, g);
|
|
EXPECT_EQ(0x8abc, h);
|
|
EXPECT_EQ(0x5aec, i);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor.Read(2, false, &j));
|
|
}
|
|
|
|
TEST(LittleEndian, Unsigned4) {
|
|
uint8_t data[] = { 0x00, 0x00, 0x00, 0x00,
|
|
0xff, 0xff, 0xff, 0x7f,
|
|
0x00, 0x00, 0x00, 0x80,
|
|
0xff, 0xff, 0xff, 0xff,
|
|
0xef, 0xff, 0xb1, 0xb6,
|
|
0x46, 0xca, 0x6a, 0x19 };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int64_t a, b, c, d, e, f, g;
|
|
ASSERT_TRUE(cursor
|
|
.Read(4, false, &a)
|
|
.Read(4, false, &b)
|
|
.Read(4, false, &c)
|
|
.Read(4, false, &d)
|
|
.Read(4, false, &e)
|
|
.Read(4, false, &f));
|
|
EXPECT_EQ(0, a);
|
|
EXPECT_EQ(0x7fffffff, b);
|
|
EXPECT_EQ(0x80000000, c);
|
|
EXPECT_EQ(0xffffffff, d);
|
|
EXPECT_EQ(0xb6b1ffef, e);
|
|
EXPECT_EQ(0x196aca46, f);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor.Read(4, false, &g));
|
|
}
|
|
|
|
TEST(LittleEndian, Unsigned8) {
|
|
uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93,
|
|
0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
uint64_t a, b, c, d, e, f, g;
|
|
ASSERT_TRUE(cursor
|
|
.Read(8, false, &a)
|
|
.Read(8, false, &b)
|
|
.Read(8, false, &c)
|
|
.Read(8, false, &d)
|
|
.Read(8, false, &e)
|
|
.Read(8, false, &f));
|
|
EXPECT_EQ(0U, a);
|
|
EXPECT_EQ(0x7fffffffffffffffULL, b);
|
|
EXPECT_EQ(0x8000000000000000ULL, c);
|
|
EXPECT_EQ(0xffffffffffffffffULL, d);
|
|
EXPECT_EQ(0x9320d5e9d2d5879cULL, e);
|
|
EXPECT_EQ(0x4e4249d27f8414a4ULL, f);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor.Read(8, false, &g));
|
|
}
|
|
|
|
TEST(Extractor, Signed1) {
|
|
uint8_t data[] = { 0xfd };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int8_t a;
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(-3, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Signed2) {
|
|
uint8_t data[] = { 0x13, 0xcd };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int16_t a;
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(-13037, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Signed4) {
|
|
uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
int32_t a;
|
|
// For some reason, G++ 4.4.1 complains:
|
|
// warning: array subscript is above array bounds
|
|
// in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but
|
|
// I'm not able to see how such a reference would occur.
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(-380377902, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Unsigned1) {
|
|
uint8_t data[] = { 0xfd };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
uint8_t a;
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(0xfd, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Unsigned2) {
|
|
uint8_t data[] = { 0x13, 0xcd };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
uint16_t a;
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(0xcd13, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Unsigned4) {
|
|
uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
uint32_t a;
|
|
// For some reason, G++ 4.4.1 complains:
|
|
// warning: array subscript is above array bounds
|
|
// in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but
|
|
// I'm not able to see how such a reference would occur.
|
|
EXPECT_TRUE(cursor >> a);
|
|
EXPECT_EQ(0xe953e4d2, a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
EXPECT_FALSE(cursor >> a);
|
|
}
|
|
|
|
TEST(Extractor, Mixed) {
|
|
uint8_t data[] = { 0x42,
|
|
0x25, 0x0b,
|
|
0x3d, 0x25, 0xed, 0x2a,
|
|
0xec, 0x16, 0x9e, 0x14, 0x61, 0x5b, 0x2c, 0xcf,
|
|
0xd8,
|
|
0x22, 0xa5,
|
|
0x3a, 0x02, 0x6a, 0xd7,
|
|
0x93, 0x2a, 0x2d, 0x8d, 0xb4, 0x95, 0xe0, 0xc6 };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
cursor.set_big_endian(true);
|
|
|
|
uint8_t a;
|
|
uint16_t b;
|
|
uint32_t c;
|
|
uint64_t d;
|
|
int8_t e;
|
|
int16_t f;
|
|
int32_t g;
|
|
int64_t h;
|
|
int z;
|
|
EXPECT_FALSE(cursor.AtEnd());
|
|
EXPECT_TRUE(cursor >> a >> b >> c >> d >> e >> f >> g >> h);
|
|
EXPECT_EQ(0x42U, a);
|
|
EXPECT_EQ(0x250bU, b);
|
|
EXPECT_EQ(0x3d25ed2aU, c);
|
|
EXPECT_EQ(0xec169e14615b2ccfULL, d);
|
|
EXPECT_EQ(-40, e);
|
|
EXPECT_EQ(0x22a5, f);
|
|
EXPECT_EQ(0x3a026ad7, g);
|
|
EXPECT_EQ(-7842405714468937530LL, h);
|
|
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
EXPECT_FALSE(cursor >> z);
|
|
}
|
|
|
|
TEST(Strings, Zero) {
|
|
uint8_t data[] = { 0xa6 };
|
|
ByteBuffer buffer(data, 0);
|
|
ByteCursor cursor(&buffer);
|
|
|
|
uint8_t received[1];
|
|
received[0] = 0xc2;
|
|
EXPECT_TRUE(cursor.Read(received, 0));
|
|
EXPECT_EQ(0xc2U, received[0]);
|
|
}
|
|
|
|
TEST(Strings, Some) {
|
|
uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
|
|
uint8_t received[7] = { 0xa7, 0xf7, 0x43, 0x0c, 0x27, 0xea, 0xed };
|
|
EXPECT_TRUE(cursor.Skip(2).Read(received, 5));
|
|
uint8_t expected[7] = { 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xea, 0xed };
|
|
EXPECT_TRUE(memcmp(received, expected, 7) == 0);
|
|
}
|
|
|
|
TEST(Strings, TooMuch) {
|
|
uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
|
|
uint8_t received1[3];
|
|
uint8_t received2[3];
|
|
uint8_t received3[3];
|
|
EXPECT_FALSE(cursor
|
|
.Read(received1, 3)
|
|
.Read(received2, 3)
|
|
.Read(received3, 3));
|
|
uint8_t expected1[3] = { 0x5d, 0x31, 0x09 };
|
|
uint8_t expected2[3] = { 0xa6, 0x2e, 0x2c };
|
|
|
|
EXPECT_TRUE(memcmp(received1, expected1, 3) == 0);
|
|
EXPECT_TRUE(memcmp(received2, expected2, 3) == 0);
|
|
}
|
|
|
|
TEST(Strings, PointTo) {
|
|
uint8_t data[] = { 0x83, 0x80, 0xb4, 0x38, 0x00, 0x2c, 0x0a, 0x27 };
|
|
ByteBuffer buffer(data, sizeof(data));
|
|
ByteCursor cursor(&buffer);
|
|
|
|
const uint8_t *received1;
|
|
const uint8_t *received2;
|
|
const uint8_t *received3;
|
|
const uint8_t *received4;
|
|
EXPECT_FALSE(cursor
|
|
.PointTo(&received1, 3)
|
|
.PointTo(&received2, 3)
|
|
.PointTo(&received3)
|
|
.PointTo(&received4, 3));
|
|
EXPECT_EQ(data + 0, received1);
|
|
EXPECT_EQ(data + 3, received2);
|
|
EXPECT_EQ(data + 6, received3);
|
|
EXPECT_EQ(NULL, received4);
|
|
}
|
|
|
|
TEST(Strings, CString) {
|
|
uint8_t data[] = "abc\0\0foo";
|
|
ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0'
|
|
ByteCursor cursor(&buffer);
|
|
|
|
string a, b, c;
|
|
EXPECT_TRUE(cursor.CString(&a).CString(&b));
|
|
EXPECT_EQ("abc", a);
|
|
EXPECT_EQ("", b);
|
|
EXPECT_FALSE(cursor.CString(&c));
|
|
EXPECT_EQ("", c);
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
}
|
|
|
|
TEST(Strings, CStringLimit) {
|
|
uint8_t data[] = "abcdef\0\0foobar";
|
|
ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0'
|
|
ByteCursor cursor(&buffer);
|
|
|
|
string a, b, c, d, e;
|
|
|
|
EXPECT_TRUE(cursor.CString(&a, 3));
|
|
EXPECT_EQ("abc", a);
|
|
|
|
EXPECT_TRUE(cursor.CString(&b, 0));
|
|
EXPECT_EQ("", b);
|
|
|
|
EXPECT_TRUE(cursor.CString(&c, 6));
|
|
EXPECT_EQ("def", c);
|
|
|
|
EXPECT_TRUE(cursor.CString(&d, 4));
|
|
EXPECT_EQ("ooba", d);
|
|
|
|
EXPECT_FALSE(cursor.CString(&e, 4));
|
|
EXPECT_EQ("", e);
|
|
|
|
EXPECT_TRUE(cursor.AtEnd());
|
|
}
|
|
|
|
// uint8_t data[] = { 0xa6, 0x54, 0xdf, 0x67, 0x51, 0x43, 0xac, 0xf1 };
|
|
// ByteBuffer buffer(data, sizeof(data));
|