Split mojo/public/cpp/system/tests/core_unittest.cc, part 2 (of 2, apparently).

mojo/public/cpp/system/tests/wait_unittest.cc

+// Copyright 2016 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.
+
+// This file tests the C++ wrappers in mojo/public/cpp/system/wait.h.
+
+#include "mojo/public/cpp/system/wait.h"
+
+#include <vector>
+
+#include "mojo/public/cpp/system/handle.h"
+#include "mojo/public/cpp/system/message_pipe.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace mojo {
+namespace {
+
+TEST(WaitTest, InvalidArgs) {
+  ScopedHandle h;
+
+  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
+            Wait(h.get(), ~MOJO_HANDLE_SIGNAL_NONE, 1000000, nullptr));
+
+  std::vector<Handle> wh;
+  wh.push_back(h.get());
+  std::vector<MojoHandleSignals> sigs;
+  sigs.push_back(~MOJO_HANDLE_SIGNAL_NONE);
+  WaitManyResult wait_many_result =
+      WaitMany(wh, sigs, MOJO_DEADLINE_INDEFINITE, nullptr);
+  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, wait_many_result.result);
+  EXPECT_TRUE(wait_many_result.IsIndexValid());
+  EXPECT_FALSE(wait_many_result.AreSignalsStatesValid());
+}
+
+TEST(WaitTest, TimeOut) {
+  // |Wait()|:
+  {
+    // Need a valid handle to wait on for |Wait()|.
+    MessagePipe mp;
+    EXPECT_EQ(
+        MOJO_RESULT_DEADLINE_EXCEEDED,
+        Wait(mp.handle0.get(), MOJO_HANDLE_SIGNAL_READABLE, 100u, nullptr));
+  }
+
+  // |WaitMany()|:
+  {
+    std::vector<Handle> wh;
+    std::vector<MojoHandleSignals> sigs;
+    WaitManyResult wait_many_result = WaitMany(wh, sigs, 100u, nullptr);
+    EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, wait_many_result.result);
+    EXPECT_FALSE(wait_many_result.IsIndexValid());
+    EXPECT_TRUE(wait_many_result.AreSignalsStatesValid());
+  }
+}
+
+TEST(WaitTest, WaitManyResult) {
+  {
+    WaitManyResult wmr(MOJO_RESULT_OK);
+    EXPECT_FALSE(wmr.IsIndexValid());
+    EXPECT_TRUE(wmr.AreSignalsStatesValid());
+    EXPECT_EQ(MOJO_RESULT_OK, wmr.result);
+  }
+
+  {
+    WaitManyResult wmr(MOJO_RESULT_FAILED_PRECONDITION);
+    EXPECT_FALSE(wmr.IsIndexValid());
+    EXPECT_TRUE(wmr.AreSignalsStatesValid());
+    EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, wmr.result);
+  }
+
+  {
+    WaitManyResult wmr(MOJO_RESULT_INVALID_ARGUMENT);
+    EXPECT_FALSE(wmr.IsIndexValid());
+    EXPECT_FALSE(wmr.AreSignalsStatesValid());
+    EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, wmr.result);
+  }
+
+  // These should be like "invalid argument".
+  EXPECT_FALSE(
+      WaitManyResult(MOJO_RESULT_RESOURCE_EXHAUSTED).AreSignalsStatesValid());
+  EXPECT_FALSE(WaitManyResult(MOJO_RESULT_BUSY).AreSignalsStatesValid());
+
+  {
+    WaitManyResult wmr(MOJO_RESULT_OK, 5u);
+    EXPECT_TRUE(wmr.IsIndexValid());
+    EXPECT_TRUE(wmr.AreSignalsStatesValid());
+    EXPECT_EQ(MOJO_RESULT_OK, wmr.result);
+    EXPECT_EQ(5u, wmr.index);
+  }
+
+  {
+    WaitManyResult wmr(MOJO_RESULT_FAILED_PRECONDITION, 5u);
+    EXPECT_TRUE(wmr.IsIndexValid());
+    EXPECT_TRUE(wmr.AreSignalsStatesValid());
+    EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, wmr.result);
+    EXPECT_EQ(5u, wmr.index);
+  }
+}
+
+}  // namespace
+}  // namespace mojo