diff src/capnproto-git-20161025/c++/src/capnp/endian-reverse-test.c++ @ 133:1ac99bfc383d

Add Cap'n Proto source

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/capnproto-git-20161025/c++/src/capnp/endian-reverse-test.c++	Tue Oct 25 11:17:01 2016 +0100
@@ -0,0 +1,106 @@
+// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
+// Licensed under the MIT License:
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// Test that the code for the opposite endianness of our CPU works.  E.g. on x86 this will test
+// the bswap-based code.
+#define CAPNP_REVERSE_ENDIAN 1
+#include "endian.h"
+#include <kj/compat/gtest.h>
+
+namespace capnp {
+namespace _ {  // private
+namespace {
+
+TEST(EndianReverse, Byte) {
+  byte bytes[] = {123, 45, 67, 89};
+
+  WireValue<uint8_t>* vals = reinterpret_cast<WireValue<uint8_t>*>(bytes);
+
+  EXPECT_EQ(123, vals[0].get());
+  EXPECT_EQ(45, vals[1].get());
+  EXPECT_EQ(67, vals[2].get());
+  EXPECT_EQ(89, vals[3].get());
+
+  vals[0].set(21);
+  vals[1].set(43);
+  vals[2].set(65);
+  vals[3].set(87);
+
+  EXPECT_EQ(21, bytes[0]);
+  EXPECT_EQ(43, bytes[1]);
+  EXPECT_EQ(65, bytes[2]);
+  EXPECT_EQ(87, bytes[3]);
+}
+
+TEST(EndianReverse, TwoBytes) {
+  byte bytes[] = {0x12, 0x34, 0x56, 0x78};
+
+  WireValue<uint16_t>* vals = reinterpret_cast<WireValue<uint16_t>*>(bytes);
+
+  EXPECT_EQ(0x1234, vals[0].get());
+  EXPECT_EQ(0x5678, vals[1].get());
+
+  vals[0].set(0x2345);
+  vals[1].set(0x6789);
+
+  EXPECT_EQ(0x23, bytes[0]);
+  EXPECT_EQ(0x45, bytes[1]);
+  EXPECT_EQ(0x67, bytes[2]);
+  EXPECT_EQ(0x89, bytes[3]);
+}
+
+TEST(EndianReverse, FourBytes) {
+  byte bytes[] = {0x12, 0x34, 0x56, 0x78};
+
+  WireValue<uint32_t>* vals = reinterpret_cast<WireValue<uint32_t>*>(bytes);
+
+  EXPECT_EQ(0x12345678u, vals[0].get());
+
+  vals[0].set(0x23456789);
+
+  EXPECT_EQ(0x23, bytes[0]);
+  EXPECT_EQ(0x45, bytes[1]);
+  EXPECT_EQ(0x67, bytes[2]);
+  EXPECT_EQ(0x89, bytes[3]);
+}
+
+TEST(EndianReverse, EightBytes) {
+  byte bytes[] = {0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0};
+
+  WireValue<uint64_t>* vals = reinterpret_cast<WireValue<uint64_t>*>(bytes);
+
+  EXPECT_EQ(0x123456789abcdef0ull, vals[0].get());
+
+  vals[0].set(0x23456789abcdef01ull);
+
+  EXPECT_EQ(0x23, bytes[0]);
+  EXPECT_EQ(0x45, bytes[1]);
+  EXPECT_EQ(0x67, bytes[2]);
+  EXPECT_EQ(0x89, bytes[3]);
+  EXPECT_EQ(0xab, bytes[4]);
+  EXPECT_EQ(0xcd, bytes[5]);
+  EXPECT_EQ(0xef, bytes[6]);
+  EXPECT_EQ(0x01, bytes[7]);
+}
+
+}  // namespace
+}  // namespace _ (private)
+}  // namespace capnp