| // Copyright (c) 2010 Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> |
| |
| // byte_cursor_unittest.cc: Unit tests for google_breakpad::ByteBuffer |
| // and google_breakpad::ByteCursor. |
| |
| #include <string> |
| |
| #include <string.h> |
| |
| #include "breakpad_googletest_includes.h" |
| #include "common/byte_cursor.h" |
| #include "common/using_std_string.h" |
| |
| using google_breakpad::ByteBuffer; |
| using google_breakpad::ByteCursor; |
| |
| TEST(Buffer, SizeOfNothing) { |
| uint8_t data[1]; |
| ByteBuffer buffer(data, 0); |
| EXPECT_EQ(0U, buffer.Size()); |
| } |
| |
| TEST(Buffer, SizeOfSomething) { |
| uint8_t data[10]; |
| ByteBuffer buffer(data, sizeof(data)); |
| EXPECT_EQ(10U, buffer.Size()); |
| } |
| |
| TEST(Extent, AvailableEmpty) { |
| uint8_t data[1]; |
| ByteBuffer buffer(data, 0); |
| ByteCursor cursor(&buffer); |
| EXPECT_EQ(0U, cursor.Available()); |
| } |
| |
| TEST(Extent, AtEndEmpty) { |
| uint8_t data[1]; |
| ByteBuffer buffer(data, 0); |
| ByteCursor cursor(&buffer); |
| EXPECT_TRUE(cursor.AtEnd()); |
| } |
| |
| TEST(Extent, AsBoolEmpty) { |
| uint8_t data[1]; |
| ByteBuffer buffer(data, 0); |
| ByteCursor cursor(&buffer); |
| EXPECT_TRUE(cursor); |
| } |
| |
| TEST(Extent, AvailableSome) { |
| uint8_t data[10]; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| EXPECT_EQ(10U, cursor.Available()); |
| } |
| |
| TEST(Extent, AtEndSome) { |
| uint8_t data[10]; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| EXPECT_FALSE(cursor.AtEnd()); |
| EXPECT_TRUE(cursor.Skip(sizeof(data)).AtEnd()); |
| } |
| |
| TEST(Extent, AsBoolSome) { |
| uint8_t data[10]; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| EXPECT_TRUE(cursor); |
| EXPECT_TRUE(cursor.Skip(sizeof(data))); |
| EXPECT_FALSE(cursor.Skip(1)); |
| } |
| |
| TEST(Extent, Cursor) { |
| uint8_t data[] = { 0xf7, |
| 0x9f, 0xbe, |
| 0x67, 0xfb, 0xd3, 0x58, |
| 0x6f, 0x36, 0xde, 0xd1, |
| 0x2a, 0x2a, 0x2a }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| |
| uint8_t a; |
| uint16_t b; |
| uint32_t c; |
| uint32_t d; |
| uint8_t stars[3]; |
| |
| EXPECT_EQ(data + 0U, cursor.here()); |
| |
| EXPECT_TRUE(cursor >> a); |
| EXPECT_EQ(data + 1U, cursor.here()); |
| |
| EXPECT_TRUE(cursor >> b); |
| EXPECT_EQ(data + 3U, cursor.here()); |
| |
| EXPECT_TRUE(cursor >> c); |
| EXPECT_EQ(data + 7U, cursor.here()); |
| |
| EXPECT_TRUE(cursor.Skip(4)); |
| EXPECT_EQ(data + 11U, cursor.here()); |
| |
| EXPECT_TRUE(cursor.Read(stars, 3)); |
| EXPECT_EQ(data + 14U, cursor.here()); |
| |
| EXPECT_FALSE(cursor >> d); |
| EXPECT_EQ(data + 14U, cursor.here()); |
| } |
| |
| TEST(Extent, SetOffset) { |
| uint8_t data[] = { 0x5c, 0x79, 0x8c, 0xd5 }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| |
| uint8_t a, b, c, d, e; |
| EXPECT_TRUE(cursor >> a); |
| EXPECT_EQ(0x5cU, a); |
| EXPECT_EQ(data + 1U, cursor.here()); |
| EXPECT_TRUE(((cursor >> b).set_here(data + 3) >> c).set_here(data + 1) |
| >> d >> e); |
| EXPECT_EQ(0x79U, b); |
| EXPECT_EQ(0xd5U, c); |
| EXPECT_EQ(0x79U, d); |
| EXPECT_EQ(0x8cU, e); |
| EXPECT_EQ(data + 3U, cursor.here()); |
| } |
| |
| TEST(BigEndian, Signed1) { |
| uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| cursor.set_big_endian(true); |
| int a, b, c, d, e; |
| ASSERT_TRUE(cursor |
| .Read(1, true, &a) |
| .Read(1, true, &b) |
| .Read(1, true, &c) |
| .Read(1, true, &d)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x7f, b); |
| EXPECT_EQ(-0x80, c); |
| EXPECT_EQ(-1, d); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(1, true, &e)); |
| } |
| |
| TEST(BigEndian, Signed2) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, |
| 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, |
| 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer, true); |
| int a, b, c, d, e, f, g, h, i, j; |
| ASSERT_TRUE(cursor |
| .Read(2, true, &a) |
| .Read(2, true, &b) |
| .Read(2, true, &c) |
| .Read(2, true, &d) |
| .Read(2, true, &e) |
| .Read(2, true, &f) |
| .Read(2, true, &g) |
| .Read(2, true, &h) |
| .Read(2, true, &i)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x80, b); |
| EXPECT_EQ(0x7fff, c); |
| EXPECT_EQ(-0x8000, d); |
| EXPECT_EQ(-0x7f80, e); |
| EXPECT_EQ(-1, f); |
| EXPECT_EQ(0x39f1, g); |
| EXPECT_EQ(-0x7544, h); |
| EXPECT_EQ(0x5aec, i); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(2, true, &j)); |
| } |
| |
| TEST(BigEndian, Signed4) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, |
| 0x7f, 0xff, 0xff, 0xff, |
| 0x80, 0x00, 0x00, 0x00, |
| 0xff, 0xff, 0xff, 0xff, |
| 0xb6, 0xb1, 0xff, 0xef, |
| 0x19, 0x6a, 0xca, 0x46 }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| cursor.set_big_endian(true); |
| int64_t a, b, c, d, e, f, g; |
| ASSERT_TRUE(cursor |
| .Read(4, true, &a) |
| .Read(4, true, &b) |
| .Read(4, true, &c) |
| .Read(4, true, &d) |
| .Read(4, true, &e) |
| .Read(4, true, &f)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x7fffffff, b); |
| EXPECT_EQ(-0x80000000LL, c); |
| EXPECT_EQ(-1, d); |
| EXPECT_EQ((int32_t) 0xb6b1ffef, e); |
| EXPECT_EQ(0x196aca46, f); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(4, true, &g)); |
| } |
| |
| TEST(BigEndian, Signed8) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, |
| 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer, true); |
| 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(BigEndian, Unsigned1) { |
| uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| cursor.set_big_endian(true); |
| 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(BigEndian, Unsigned2) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, |
| 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, |
| 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer, true); |
| int64_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(BigEndian, Unsigned4) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, |
| 0x7f, 0xff, 0xff, 0xff, |
| 0x80, 0x00, 0x00, 0x00, |
| 0xff, 0xff, 0xff, 0xff, |
| 0xb6, 0xb1, 0xff, 0xef, |
| 0x19, 0x6a, 0xca, 0x46 }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer); |
| cursor.set_big_endian(true); |
| 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(BigEndian, Unsigned8) { |
| uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, |
| 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; |
| ByteBuffer buffer(data, sizeof(data)); |
| ByteCursor cursor(&buffer, true); |
| 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(LittleEndian, Signed1) { |
| 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, true, &a) |
| .Read(1, true, &b) |
| .Read(1, true, &c) |
| .Read(1, true, &d)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x7f, b); |
| EXPECT_EQ(-0x80, c); |
| EXPECT_EQ(-1, d); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(1, true, &e)); |
| } |
| |
| TEST(LittleEndian, Signed2) { |
| 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, false); |
| int32_t a, b, c, d, e, f, g, h, i, j; |
| ASSERT_TRUE(cursor |
| .Read(2, true, &a) |
| .Read(2, true, &b) |
| .Read(2, true, &c) |
| .Read(2, true, &d) |
| .Read(2, true, &e) |
| .Read(2, true, &f) |
| .Read(2, true, &g) |
| .Read(2, true, &h) |
| .Read(2, true, &i)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x80, b); |
| EXPECT_EQ(0x7fff, c); |
| EXPECT_EQ(-0x8000, d); |
| EXPECT_EQ(-0x7f80, e); |
| EXPECT_EQ(-1, f); |
| EXPECT_EQ(0x39f1, g); |
| EXPECT_EQ(-0x7544, h); |
| EXPECT_EQ(0x5aec, i); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(2, true, &j)); |
| } |
| |
| TEST(LittleEndian, Signed4) { |
| 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, true, &a) |
| .Read(4, true, &b) |
| .Read(4, true, &c) |
| .Read(4, true, &d) |
| .Read(4, true, &e) |
| .Read(4, true, &f)); |
| EXPECT_EQ(0, a); |
| EXPECT_EQ(0x7fffffff, b); |
| EXPECT_EQ(-0x80000000LL, c); |
| EXPECT_EQ(-1, d); |
| EXPECT_EQ((int32_t) 0xb6b1ffef, e); |
| EXPECT_EQ(0x196aca46, f); |
| EXPECT_TRUE(cursor.AtEnd()); |
| EXPECT_FALSE(cursor.Read(4, true, &g)); |
| } |
| |
| 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)); |
