Implemented VTS for Dumpstate HIDL.

Test: adb shell /data/nativetest64/VtsHalDumpstateV1_0TargetTest/VtsHalDumpstateV1_0TargetTest
Test: adb shell /data/nativetest/VtsHalDumpstateV1_0TargetTest/VtsHalDumpstateV1_0TargetTest

Fixes: 35915971

Change-Id: I2508699da9a36612961899a100c273f3a5d62cc6

dumpstate/1.0/vts/functional/Android.bp

@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2017 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.
+
+cc_test {
+    name: "VtsHalDumpstateV1_0TargetTest",
+    defaults: ["hidl_defaults"],
+    srcs: ["VtsHalDumpstateV1_0TargetTest.cpp"],
+    shared_libs: [
+        "android.hardware.dumpstate@1.0",
+        "libcutils",
+        "libhidlbase",
+        "liblog",
+        "libutils",
+    ],
+    static_libs: ["VtsHalHidlTargetTestBase"],
+    cflags: [
+        "-O0",
+        "-g",
+    ]
+}

dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2017 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 "dumpstate_hidl_hal_test"
+
+#include <android/hardware/dumpstate/1.0/IDumpstateDevice.h>
+#include <cutils/native_handle.h>
+#include <log/log.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
+using ::android::hardware::Return;
+using ::android::sp;
+
+class DumpstateHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+   public:
+    virtual void SetUp() override {
+        dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>();
+        ASSERT_NE(dumpstate, nullptr) << "Could not get HIDL instance";
+    }
+
+    sp<IDumpstateDevice> dumpstate;
+};
+
+// Negative test: make sure dumpstateBoard() doesn't crash when passed a null pointer.
+TEST_F(DumpstateHidlTest, TestNullHandle) {
+    Return<void> status = dumpstate->dumpstateBoard(nullptr);
+
+    ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
+}
+
+// Negative test: make sure dumpstateBoard() ignores a handle with no FD.
+TEST_F(DumpstateHidlTest, TestHandleWithNoFd) {
+    native_handle_t* handle = native_handle_create(0, 0);
+    ASSERT_NE(handle, nullptr) << "Could not create native_handle";
+
+    Return<void> status = dumpstate->dumpstateBoard(handle);
+
+    ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
+
+    native_handle_close(handle);
+    native_handle_delete(handle);
+}
+
+// Positive test: make sure dumpstateBoard() writes something to the FD.
+TEST_F(DumpstateHidlTest, TestOk) {
+    FILE* file = tmpfile();
+    ASSERT_NE(nullptr, file) << "Could not create temp file: " << strerror(errno);
+
+    native_handle_t* handle = native_handle_create(1, 0);
+    ASSERT_NE(handle, nullptr) << "Could not create native_handle";
+    handle->data[0] = fileno(file);
+
+    Return<void> status = dumpstate->dumpstateBoard(handle);
+    ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
+
+    // Check that at least one byte was written
+    rewind(file);  // can not fail
+    char buff;
+    int read = fread(&buff, sizeof(buff), 1, file);
+    ASSERT_EQ(1, read) << "dumped nothing";
+
+    EXPECT_EQ(0, fclose(file)) << errno;
+
+    native_handle_close(handle);
+    native_handle_delete(handle);
+}
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}

dumpstate/Android.bp

@@ -1,4 +1,5 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
     "1.0",
+    "1.0/vts/functional",
 ]