Mojo: Move mojo/public/system/core_cpp.h to mojo/cpp/public/system/core.h.

mojo/public/tests/system/core_unittest_pure_c.c

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifdef __cplusplus
-#error "This file should be compiled as C, not C++."
-#endif
-
-#include <stddef.h>
-#include <string.h>
-
-// Include all the header files that are meant to be compilable as C. Start with
-// core.h, since it's the most important one.
-#include "mojo/public/c/system/core.h"
-#include "mojo/public/c/system/async_waiter.h"
-#include "mojo/public/c/system/macros.h"
-
-// The joys of the C preprocessor....
-#define STRINGIFY(x) #x
-#define STRINGIFY2(x) STRINGIFY(x)
-#define FAILURE(message) \
-  __FILE__ "(" STRINGIFY2(__LINE__) "): Failure: " message
-
-// Poor man's gtest.
-#define EXPECT_EQ(a, b) \
-  do { \
-    if ((a) != (b)) \
-      return FAILURE(STRINGIFY(a) " != " STRINGIFY(b) " (expected ==)"); \
-  } while (0)
-#define EXPECT_NE(a, b) \
-  do { \
-    if ((a) == (b)) \
-      return FAILURE(STRINGIFY(a) " == " STRINGIFY(b) " (expected !=)"); \
-  } while (0)
-
-// This function exists mainly to be compiled and linked. We do some cursory
-// checks and call it from a unit test, to make sure that link problems aren't
-// missed due to deadstripping. Returns null on success and a string on failure
-// (describing the failure).
-const char* MinimalCTest(void) {
-  // MSVS before 2013 *really* only supports C90: All variables must be declared
-  // at the top. (MSVS 2013 is more reasonable.)
-  MojoTimeTicks ticks;
-  MojoHandle handle0, handle1;
-  MojoWaitFlags wait_flags;
-  const char kHello[] = "hello";
-  char buffer[200] = { 0 };
-  uint32_t num_bytes;
-
-  ticks = MojoGetTimeTicksNow();
-  EXPECT_NE(ticks, 0);
-
-  handle0 = MOJO_HANDLE_INVALID;
-  EXPECT_NE(MOJO_RESULT_OK, MojoClose(handle0));
-
-  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
-            MojoWait(handle0, MOJO_WAIT_FLAG_EVERYTHING,
-                     MOJO_DEADLINE_INDEFINITE));
-
-  handle1 = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(&handle0, &handle1));
-
-  wait_flags = MOJO_WAIT_FLAG_READABLE;
-  EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
-            MojoWaitMany(&handle0, &wait_flags, 1, 1));
-
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoWriteMessage(handle0, kHello, (uint32_t) sizeof(kHello), NULL,
-                             0u, MOJO_WRITE_DATA_FLAG_NONE));
-
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoWait(handle1, MOJO_WAIT_FLAG_READABLE,
-                     MOJO_DEADLINE_INDEFINITE));
-
-  num_bytes = (uint32_t) sizeof(buffer);
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoReadMessage(handle1, buffer, &num_bytes, NULL, NULL,
-                            MOJO_READ_MESSAGE_FLAG_NONE));
-  EXPECT_EQ((uint32_t) sizeof(kHello), num_bytes);
-  EXPECT_EQ(0, memcmp(buffer, kHello, sizeof(kHello)));
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(handle0));
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(handle1));
-
-  // TODO(vtl): data pipe
-
-  return NULL;
-}