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-rw-r--r--libs/utils/tests/Android.mk45
-rw-r--r--libs/utils/tests/ObbFile_test.cpp82
-rw-r--r--libs/utils/tests/PollLoop_test.cpp370
-rw-r--r--libs/utils/tests/String8_test.cpp75
-rw-r--r--libs/utils/tests/TestHelpers.h79
5 files changed, 651 insertions, 0 deletions
diff --git a/libs/utils/tests/Android.mk b/libs/utils/tests/Android.mk
new file mode 100644
index 000000000000..725de9c5bb8b
--- /dev/null
+++ b/libs/utils/tests/Android.mk
@@ -0,0 +1,45 @@
+# Build the unit tests.
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+# Build the unit tests.
+test_src_files := \
+ ObbFile_test.cpp \
+ PollLoop_test.cpp \
+ String8_test.cpp
+
+shared_libraries := \
+ libz \
+ liblog \
+ libcutils \
+ libutils \
+ libstlport
+
+static_libraries := \
+ libgtest \
+ libgtest_main
+
+c_includes := \
+ external/zlib \
+ external/icu4c/common \
+ bionic \
+ bionic/libstdc++/include \
+ external/gtest/include \
+ external/stlport/stlport
+
+module_tags := eng tests
+
+$(foreach file,$(test_src_files), \
+ $(eval include $(CLEAR_VARS)) \
+ $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
+ $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
+ $(eval LOCAL_C_INCLUDES := $(c_includes)) \
+ $(eval LOCAL_SRC_FILES := $(file)) \
+ $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+ $(eval LOCAL_MODULE_TAGS := $(module_tags)) \
+ $(eval include $(BUILD_EXECUTABLE)) \
+)
+
+endif
diff --git a/libs/utils/tests/ObbFile_test.cpp b/libs/utils/tests/ObbFile_test.cpp
new file mode 100644
index 000000000000..29bb70a66c27
--- /dev/null
+++ b/libs/utils/tests/ObbFile_test.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "ObbFile_test"
+#include <utils/Log.h>
+#include <utils/ObbFile.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+#include <gtest/gtest.h>
+
+#include <fcntl.h>
+
+namespace android {
+
+#define TEST_FILENAME "/test.obb"
+
+class ObbFileTest : public testing::Test {
+protected:
+ sp<ObbFile> mObbFile;
+ char* mExternalStorage;
+ char* mFileName;
+
+ virtual void SetUp() {
+ mObbFile = new ObbFile();
+ mExternalStorage = getenv("EXTERNAL_STORAGE");
+
+ const int totalLen = strlen(mExternalStorage) + strlen(TEST_FILENAME) + 1;
+ mFileName = new char[totalLen];
+ snprintf(mFileName, totalLen, "%s%s", mExternalStorage, TEST_FILENAME);
+
+ int fd = ::open(mFileName, O_CREAT | O_TRUNC);
+ if (fd < 0) {
+ FAIL() << "Couldn't create " << mFileName << " for tests";
+ }
+ }
+
+ virtual void TearDown() {
+ }
+};
+
+TEST_F(ObbFileTest, ReadFailure) {
+ EXPECT_FALSE(mObbFile->readFrom(-1))
+ << "No failure on invalid file descriptor";
+}
+
+TEST_F(ObbFileTest, WriteThenRead) {
+ const char* packageName = "com.example.obbfile";
+ const int32_t versionNum = 1;
+
+ mObbFile->setPackageName(String8(packageName));
+ mObbFile->setVersion(versionNum);
+
+ EXPECT_TRUE(mObbFile->writeTo(mFileName))
+ << "couldn't write to fake .obb file";
+
+ mObbFile = new ObbFile();
+
+ EXPECT_TRUE(mObbFile->readFrom(mFileName))
+ << "couldn't read from fake .obb file";
+
+ EXPECT_EQ(versionNum, mObbFile->getVersion())
+ << "version didn't come out the same as it went in";
+ const char* currentPackageName = mObbFile->getPackageName().string();
+ EXPECT_STREQ(packageName, currentPackageName)
+ << "package name didn't come out the same as it went in";
+}
+
+}
diff --git a/libs/utils/tests/PollLoop_test.cpp b/libs/utils/tests/PollLoop_test.cpp
new file mode 100644
index 000000000000..02f1808936e7
--- /dev/null
+++ b/libs/utils/tests/PollLoop_test.cpp
@@ -0,0 +1,370 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <utils/PollLoop.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <gtest/gtest.h>
+#include <unistd.h>
+#include <time.h>
+
+#include "TestHelpers.h"
+
+// # of milliseconds to fudge stopwatch measurements
+#define TIMING_TOLERANCE_MS 25
+
+namespace android {
+
+class DelayedWake : public DelayedTask {
+ sp<PollLoop> mPollLoop;
+
+public:
+ DelayedWake(int delayMillis, const sp<PollLoop> pollLoop) :
+ DelayedTask(delayMillis), mPollLoop(pollLoop) {
+ }
+
+protected:
+ virtual void doTask() {
+ mPollLoop->wake();
+ }
+};
+
+class DelayedWriteSignal : public DelayedTask {
+ Pipe* mPipe;
+
+public:
+ DelayedWriteSignal(int delayMillis, Pipe* pipe) :
+ DelayedTask(delayMillis), mPipe(pipe) {
+ }
+
+protected:
+ virtual void doTask() {
+ mPipe->writeSignal();
+ }
+};
+
+class CallbackHandler {
+public:
+ void setCallback(const sp<PollLoop>& pollLoop, int fd, int events) {
+ pollLoop->setCallback(fd, events, staticHandler, this);
+ }
+
+protected:
+ virtual ~CallbackHandler() { }
+
+ virtual bool handler(int fd, int events) = 0;
+
+private:
+ static bool staticHandler(int fd, int events, void* data) {
+ return static_cast<CallbackHandler*>(data)->handler(fd, events);
+ }
+};
+
+class StubCallbackHandler : public CallbackHandler {
+public:
+ bool nextResult;
+ int callbackCount;
+
+ int fd;
+ int events;
+
+ StubCallbackHandler(bool nextResult) : nextResult(nextResult),
+ callbackCount(0), fd(-1), events(-1) {
+ }
+
+protected:
+ virtual bool handler(int fd, int events) {
+ callbackCount += 1;
+ this->fd = fd;
+ this->events = events;
+ return nextResult;
+ }
+};
+
+class PollLoopTest : public testing::Test {
+protected:
+ sp<PollLoop> mPollLoop;
+
+ virtual void SetUp() {
+ mPollLoop = new PollLoop(false);
+ }
+
+ virtual void TearDown() {
+ mPollLoop.clear();
+ }
+};
+
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNotAwoken_WaitsForTimeoutAndReturnsFalse) {
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenBeforeWaiting_ImmediatelyReturnsTrue) {
+ mPollLoop->wake();
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because wake() was called before waiting";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndAwokenWhileWaiting_PromptlyReturnsTrue) {
+ sp<DelayedWake> delayedWake = new DelayedWake(100, mPollLoop);
+ delayedWake->run();
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal wake delay";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because loop was awoken";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoRegisteredFDs_ImmediatelyReturnsFalse) {
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndNoSignalledFDs_ImmediatelyReturnsFalse) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenZeroTimeoutAndSignalledFD_ImmediatelyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ ASSERT_EQ(OK, pipe.writeSignal());
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndNoSignalledFDs_WaitsForTimeoutAndReturnsFalse) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not have been invoked because FD was not signalled";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDBeforeWaiting_ImmediatelyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ pipe.writeSignal();
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should be approx. zero";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenNonZeroTimeoutAndSignalledFDWhileWaiting_PromptlyInvokesCallbackAndReturnsTrue) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+ sp<DelayedWriteSignal> delayedWriteSignal = new DelayedWriteSignal(100, & pipe);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ delayedWriteSignal->run();
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(1000);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal signal delay";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked exactly once";
+ EXPECT_EQ(pipe.receiveFd, handler.fd)
+ << "callback should have received pipe fd as parameter";
+ EXPECT_EQ(POLL_IN, handler.events)
+ << "callback should have received POLL_IN as events";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedThenRemoved_CallbackShouldNotBeInvoked) {
+ Pipe pipe;
+ StubCallbackHandler handler(true);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ pipe.writeSignal(); // would cause FD to be considered signalled
+ mPollLoop->removeCallback(pipe.receiveFd);
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal timeout because FD was no longer registered";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+ EXPECT_EQ(0, handler.callbackCount)
+ << "callback should not be invoked";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackReturnsFalse_CallbackShouldNotBeInvokedAgainLater) {
+ Pipe pipe;
+ StubCallbackHandler handler(false);
+
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ // First loop: Callback is registered and FD is signalled.
+ pipe.writeSignal();
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(0);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal zero because FD was already signalled";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should be invoked";
+
+ // Second loop: Callback is no longer registered and FD is signalled.
+ pipe.writeSignal();
+
+ stopWatch.reset();
+ result = mPollLoop->pollOnce(0);
+ elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. equal zero because timeout was zero";
+ EXPECT_EQ(result, PollLoop::POLL_TIMEOUT)
+ << "pollOnce result should be POLL_TIMEOUT";
+ EXPECT_EQ(1, handler.callbackCount)
+ << "callback should not be invoked this time";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackNotAdded_ReturnsFalse) {
+ bool result = mPollLoop->removeCallback(1);
+
+ EXPECT_FALSE(result)
+ << "removeCallback should return false because FD not registered";
+}
+
+TEST_F(PollLoopTest, RemoveCallback_WhenCallbackAddedThenRemovedTwice_ReturnsTrueFirstTimeAndReturnsFalseSecondTime) {
+ Pipe pipe;
+ StubCallbackHandler handler(false);
+ handler.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+
+ // First time.
+ bool result = mPollLoop->removeCallback(pipe.receiveFd);
+
+ EXPECT_TRUE(result)
+ << "removeCallback should return true first time because FD was registered";
+
+ // Second time.
+ result = mPollLoop->removeCallback(pipe.receiveFd);
+
+ EXPECT_FALSE(result)
+ << "removeCallback should return false second time because FD was no longer registered";
+}
+
+TEST_F(PollLoopTest, PollOnce_WhenCallbackAddedTwice_OnlySecondCallbackShouldBeInvoked) {
+ Pipe pipe;
+ StubCallbackHandler handler1(true);
+ StubCallbackHandler handler2(true);
+
+ handler1.setCallback(mPollLoop, pipe.receiveFd, POLL_IN);
+ handler2.setCallback(mPollLoop, pipe.receiveFd, POLL_IN); // replace it
+ pipe.writeSignal(); // would cause FD to be considered signalled
+
+ StopWatch stopWatch("pollOnce");
+ int32_t result = mPollLoop->pollOnce(100);
+ int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+ ASSERT_EQ(OK, pipe.readSignal())
+ << "signal should actually have been written";
+ EXPECT_NEAR(0, elapsedMillis, TIMING_TOLERANCE_MS)
+ << "elapsed time should approx. zero because FD was already signalled";
+ EXPECT_EQ(result, PollLoop::POLL_CALLBACK)
+ << "pollOnce result should be POLL_CALLBACK because FD was signalled";
+ EXPECT_EQ(0, handler1.callbackCount)
+ << "original handler callback should not be invoked because it was replaced";
+ EXPECT_EQ(1, handler2.callbackCount)
+ << "replacement handler callback should be invoked";
+}
+
+
+} // namespace android
diff --git a/libs/utils/tests/String8_test.cpp b/libs/utils/tests/String8_test.cpp
new file mode 100644
index 000000000000..c42c68dcefad
--- /dev/null
+++ b/libs/utils/tests/String8_test.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "String8_test"
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+class String8Test : public testing::Test {
+protected:
+ virtual void SetUp() {
+ }
+
+ virtual void TearDown() {
+ }
+};
+
+TEST_F(String8Test, Cstr) {
+ String8 tmp("Hello, world!");
+
+ EXPECT_STREQ(tmp.string(), "Hello, world!");
+}
+
+TEST_F(String8Test, OperatorPlus) {
+ String8 src1("Hello, ");
+
+ // Test adding String8 + const char*
+ const char* ccsrc2 = "world!";
+ String8 dst1 = src1 + ccsrc2;
+ EXPECT_STREQ(dst1.string(), "Hello, world!");
+ EXPECT_STREQ(src1.string(), "Hello, ");
+ EXPECT_STREQ(ccsrc2, "world!");
+
+ // Test adding String8 + String8
+ String8 ssrc2("world!");
+ String8 dst2 = src1 + ssrc2;
+ EXPECT_STREQ(dst2.string(), "Hello, world!");
+ EXPECT_STREQ(src1.string(), "Hello, ");
+ EXPECT_STREQ(ssrc2.string(), "world!");
+}
+
+TEST_F(String8Test, OperatorPlusEquals) {
+ String8 src1("My voice");
+
+ // Testing String8 += String8
+ String8 src2(" is my passport.");
+ src1 += src2;
+ EXPECT_STREQ(src1.string(), "My voice is my passport.");
+ EXPECT_STREQ(src2.string(), " is my passport.");
+
+ // Adding const char* to the previous string.
+ const char* src3 = " Verify me.";
+ src1 += src3;
+ EXPECT_STREQ(src1.string(), "My voice is my passport. Verify me.");
+ EXPECT_STREQ(src2.string(), " is my passport.");
+ EXPECT_STREQ(src3, " Verify me.");
+}
+
+}
diff --git a/libs/utils/tests/TestHelpers.h b/libs/utils/tests/TestHelpers.h
new file mode 100644
index 000000000000..d8e985e9ce61
--- /dev/null
+++ b/libs/utils/tests/TestHelpers.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TESTHELPERS_H
+#define TESTHELPERS_H
+
+#include <utils/threads.h>
+
+namespace android {
+
+class Pipe {
+public:
+ int sendFd;
+ int receiveFd;
+
+ Pipe() {
+ int fds[2];
+ ::pipe(fds);
+
+ receiveFd = fds[0];
+ sendFd = fds[1];
+ }
+
+ ~Pipe() {
+ if (sendFd != -1) {
+ ::close(sendFd);
+ }
+
+ if (receiveFd != -1) {
+ ::close(receiveFd);
+ }
+ }
+
+ status_t writeSignal() {
+ ssize_t nWritten = ::write(sendFd, "*", 1);
+ return nWritten == 1 ? 0 : -errno;
+ }
+
+ status_t readSignal() {
+ char buf[1];
+ ssize_t nRead = ::read(receiveFd, buf, 1);
+ return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno;
+ }
+};
+
+class DelayedTask : public Thread {
+ int mDelayMillis;
+
+public:
+ DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { }
+
+protected:
+ virtual ~DelayedTask() { }
+
+ virtual void doTask() = 0;
+
+ virtual bool threadLoop() {
+ usleep(mDelayMillis * 1000);
+ doTask();
+ return false;
+ }
+};
+
+} // namespace android
+
+#endif // TESTHELPERS_H
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