Weaver: functional VTS tests

Bug: 37530412
Test: VtsHalWeaverV1_0TargetTest
Change-Id: I6309acac45321b221c885cb10ca30bf653aa23ab
(cherry picked from commit 491fe84c2d51f5d08f93a7e2bbbe58f403d07359)
diff --git a/weaver/1.0/vts/functional/Android.bp b/weaver/1.0/vts/functional/Android.bp
new file mode 100644
index 0000000..9b0ff6d
--- /dev/null
+++ b/weaver/1.0/vts/functional/Android.bp
@@ -0,0 +1,36 @@
+//
+// 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: "VtsHalWeaverV1_0TargetTest",
+    defaults: ["hidl_defaults"],
+    srcs: ["VtsHalWeaverV1_0TargetTest.cpp"],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libcutils",
+        "libhidlbase",
+        "libhidltransport",
+        "libnativehelper",
+        "libutils",
+        "android.hardware.weaver@1.0",
+    ],
+    static_libs: ["VtsHalHidlTargetTestBase"],
+    cflags: [
+        "-O0",
+        "-g",
+    ],
+}
diff --git a/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
new file mode 100644
index 0000000..372d787
--- /dev/null
+++ b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
@@ -0,0 +1,336 @@
+/*
+ * 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.
+ */
+
+#include <android/hardware/weaver/1.0/IWeaver.h>
+
+#include <limits>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+using ::android::hardware::weaver::V1_0::IWeaver;
+using ::android::hardware::weaver::V1_0::WeaverConfig;
+using ::android::hardware::weaver::V1_0::WeaverReadStatus;
+using ::android::hardware::weaver::V1_0::WeaverReadResponse;
+using ::android::hardware::weaver::V1_0::WeaverStatus;
+using ::android::hardware::Return;
+using ::android::sp;
+
+const std::vector<uint8_t> KEY{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
+const std::vector<uint8_t> WRONG_KEY{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+const std::vector<uint8_t> VALUE{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
+const std::vector<uint8_t> OTHER_VALUE{0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 255, 255};
+
+struct WeaverHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+    virtual void SetUp() override {
+        weaver = ::testing::VtsHalHidlTargetTestBase::getService<IWeaver>();
+        ASSERT_NE(weaver, nullptr);
+    }
+
+    virtual void TearDown() override {}
+
+    sp<IWeaver> weaver;
+};
+
+/*
+ * Checks config values are suitably large
+ */
+TEST_F(WeaverHidlTest, GetConfig) {
+    WeaverStatus status;
+    WeaverConfig config;
+
+    bool callbackCalled = false;
+    auto ret = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        callbackCalled = true;
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    EXPECT_GE(config.slots, 16u);
+    EXPECT_GE(config.keySize, 16u);
+    EXPECT_GE(config.valueSize, 16u);
+}
+
+/*
+ * Gets the config twice and checks they are the same
+ */
+TEST_F(WeaverHidlTest, GettingConfigMultipleTimesGivesSameResult) {
+    WeaverConfig config1;
+    WeaverConfig config2;
+
+    WeaverStatus status;
+    bool callbackCalled = false;
+    auto ret = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        callbackCalled = true;
+        status = s;
+        config1 = c;
+    });
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    callbackCalled = false;
+    ret = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        callbackCalled = true;
+        status = s;
+        config2 = c;
+    });
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    EXPECT_EQ(config1, config2);
+}
+
+/*
+ * Gets the number of slots from the config and writes a key and value to the last one
+ */
+TEST_F(WeaverHidlTest, WriteToLastSlot) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    const uint32_t lastSlot = config.slots - 1;
+    const auto writeRet = weaver->write(lastSlot, KEY, VALUE);
+    ASSERT_TRUE(writeRet.isOk());
+    ASSERT_EQ(writeRet, WeaverStatus::OK);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with the same key and receives the value that was previously written
+ */
+TEST_F(WeaverHidlTest, WriteFollowedByReadGivesTheSameValue) {
+    constexpr uint32_t slotId = 0;
+    const auto ret = weaver->write(slotId, KEY, VALUE);
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_EQ(ret, WeaverStatus::OK);
+
+    bool callbackCalled = false;
+    WeaverReadStatus status;
+    std::vector<uint8_t> readValue;
+    uint32_t timeout;
+    const auto readRet = weaver->read(slotId, KEY, [&](WeaverReadStatus s, WeaverReadResponse r) {
+        callbackCalled = true;
+        status = s;
+        readValue = r.value;
+        timeout = r.timeout;
+    });
+    ASSERT_TRUE(readRet.isOk());
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_EQ(status, WeaverReadStatus::OK);
+    EXPECT_EQ(readValue, VALUE);
+    EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Overwrites the slot with a new key and value
+ * Reads the slot with the new key and receives the new value
+ */
+TEST_F(WeaverHidlTest, OverwritingSlotUpdatesTheValue) {
+    constexpr uint32_t slotId = 0;
+    const auto initialWriteRet = weaver->write(slotId, WRONG_KEY, VALUE);
+    ASSERT_TRUE(initialWriteRet.isOk());
+    ASSERT_EQ(initialWriteRet, WeaverStatus::OK);
+
+    const auto overwriteRet = weaver->write(slotId, KEY, OTHER_VALUE);
+    ASSERT_TRUE(overwriteRet.isOk());
+    ASSERT_EQ(overwriteRet, WeaverStatus::OK);
+
+    bool callbackCalled = false;
+    WeaverReadStatus status;
+    std::vector<uint8_t> readValue;
+    uint32_t timeout;
+    const auto readRet = weaver->read(slotId, KEY, [&](WeaverReadStatus s, WeaverReadResponse r) {
+        callbackCalled = true;
+        status = s;
+        readValue = r.value;
+        timeout = r.timeout;
+    });
+    ASSERT_TRUE(readRet.isOk());
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_EQ(status, WeaverReadStatus::OK);
+    EXPECT_EQ(readValue, OTHER_VALUE);
+    EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with a different key so does not receive the value
+ */
+TEST_F(WeaverHidlTest, WriteFollowedByReadWithWrongKeyDoesNotGiveTheValue) {
+    constexpr uint32_t slotId = 0;
+    const auto ret = weaver->write(slotId, KEY, VALUE);
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_EQ(ret, WeaverStatus::OK);
+
+    bool callbackCalled = false;
+    WeaverReadStatus status;
+    std::vector<uint8_t> readValue;
+    const auto readRet =
+        weaver->read(slotId, WRONG_KEY, [&](WeaverReadStatus s, WeaverReadResponse r) {
+            callbackCalled = true;
+            status = s;
+            readValue = r.value;
+        });
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_TRUE(readRet.isOk());
+    ASSERT_EQ(status, WeaverReadStatus::INCORRECT_KEY);
+    EXPECT_TRUE(readValue.empty());
+}
+
+/*
+ * Writing to an invalid slot fails
+ */
+TEST_F(WeaverHidlTest, WritingToInvalidSlotFails) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    if (config.slots == std::numeric_limits<uint32_t>::max()) {
+        // If there are no invalid slots then pass
+        return;
+    }
+
+    const auto writeRet = weaver->write(config.slots, KEY, VALUE);
+    ASSERT_TRUE(writeRet.isOk());
+    ASSERT_EQ(writeRet, WeaverStatus::FAILED);
+}
+
+/*
+ * Reading from an invalid slot fails rather than incorrect key
+ */
+TEST_F(WeaverHidlTest, ReadingFromInvalidSlotFails) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    if (config.slots == std::numeric_limits<uint32_t>::max()) {
+        // If there are no invalid slots then pass
+        return;
+    }
+
+    bool callbackCalled = false;
+    WeaverReadStatus readStatus;
+    std::vector<uint8_t> readValue;
+    uint32_t timeout;
+    const auto readRet =
+        weaver->read(config.slots, KEY, [&](WeaverReadStatus s, WeaverReadResponse r) {
+            callbackCalled = true;
+            readStatus = s;
+            readValue = r.value;
+            timeout = r.timeout;
+        });
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_TRUE(readRet.isOk());
+    ASSERT_EQ(readStatus, WeaverReadStatus::FAILED);
+    EXPECT_TRUE(readValue.empty());
+    EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writing a key that is too large fails
+ */
+TEST_F(WeaverHidlTest, WriteWithTooLargeKeyFails) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    std::vector<uint8_t> bigKey(config.keySize + 1);
+
+    constexpr uint32_t slotId = 0;
+    const auto writeRet = weaver->write(slotId, bigKey, VALUE);
+    ASSERT_TRUE(writeRet.isOk());
+    ASSERT_EQ(writeRet, WeaverStatus::FAILED);
+}
+
+/*
+ * Writing a value that is too large fails
+ */
+TEST_F(WeaverHidlTest, WriteWithTooLargeValueFails) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    std::vector<uint8_t> bigValue(config.valueSize + 1);
+
+    constexpr uint32_t slotId = 0;
+    const auto writeRet = weaver->write(slotId, KEY, bigValue);
+    ASSERT_TRUE(writeRet.isOk());
+    ASSERT_EQ(writeRet, WeaverStatus::FAILED);
+}
+
+/*
+ * Reading with a key that is loo large fails
+ */
+TEST_F(WeaverHidlTest, ReadWithTooLargeKeyFails) {
+    WeaverStatus status;
+    WeaverConfig config;
+    const auto configRet = weaver->getConfig([&](WeaverStatus s, WeaverConfig c) {
+        status = s;
+        config = c;
+    });
+    ASSERT_TRUE(configRet.isOk());
+    ASSERT_EQ(status, WeaverStatus::OK);
+
+    std::vector<uint8_t> bigKey(config.keySize + 1);
+
+    constexpr uint32_t slotId = 0;
+    bool callbackCalled = false;
+    WeaverReadStatus readStatus;
+    std::vector<uint8_t> readValue;
+    uint32_t timeout;
+    const auto readRet =
+        weaver->read(slotId, bigKey, [&](WeaverReadStatus s, WeaverReadResponse r) {
+            callbackCalled = true;
+            readStatus = s;
+            readValue = r.value;
+            timeout = r.timeout;
+        });
+    ASSERT_TRUE(callbackCalled);
+    ASSERT_TRUE(readRet.isOk());
+    ASSERT_EQ(readStatus, WeaverReadStatus::FAILED);
+    EXPECT_TRUE(readValue.empty());
+    EXPECT_EQ(timeout, 0u);
+}
diff --git a/weaver/Android.bp b/weaver/Android.bp
index bbb3e4b..33f70eb 100644
--- a/weaver/Android.bp
+++ b/weaver/Android.bp
@@ -1,4 +1,5 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
     "1.0",
+    "1.0/vts/functional",
 ]