Merge "libbinder: binderParcelTest"
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index c232283..61a611d 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -16,6 +16,13 @@
"name": "binderTextOutputTest"
},
{
+ "name": "binderParcelTest"
+ },
+ {
+ "name": "binderParcelTest",
+ "host": true
+ },
+ {
"name": "binderLibTest"
},
{
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index a03835b..87f1d45 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -60,6 +60,23 @@
require_root: true,
}
+// unit test only, which can run on host and doesn't use /dev/binder
+cc_test {
+ name: "binderParcelTest",
+ host_supported: true,
+ target: {
+ darwin: {
+ enabled: false,
+ },
+ },
+ srcs: ["binderParcelTest.cpp"],
+ shared_libs: [
+ "libbinder",
+ "libutils",
+ ],
+ test_suites: ["general-tests"],
+}
+
cc_test {
name: "binderLibTest",
defaults: ["binder_test_defaults"],
diff --git a/libs/binder/tests/binderParcelTest.cpp b/libs/binder/tests/binderParcelTest.cpp
new file mode 100644
index 0000000..1764228
--- /dev/null
+++ b/libs/binder/tests/binderParcelTest.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2020 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 <binder/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <gtest/gtest.h>
+
+using android::IPCThreadState;
+using android::OK;
+using android::Parcel;
+using android::String16;
+using android::String8;
+using android::status_t;
+
+// Tests a second operation results in a parcel at the same location as it
+// started.
+void parcelOpSameLength(const std::function<void(Parcel*)>& a, const std::function<void(Parcel*)>& b) {
+ Parcel p;
+ a(&p);
+ size_t end = p.dataPosition();
+ p.setDataPosition(0);
+ b(&p);
+ EXPECT_EQ(end, p.dataPosition());
+}
+
+TEST(Parcel, InverseInterfaceToken) {
+ const String16 token = String16("asdf");
+ parcelOpSameLength([&] (Parcel* p) {
+ p->writeInterfaceToken(token);
+ }, [&] (Parcel* p) {
+ EXPECT_TRUE(p->enforceInterface(token, IPCThreadState::self()));
+ });
+}
+
+TEST(Parcel, Utf8FromUtf16Read) {
+ const char* token = "asdf";
+ parcelOpSameLength([&] (Parcel* p) {
+ p->writeString16(String16(token));
+ }, [&] (Parcel* p) {
+ std::string s;
+ EXPECT_EQ(OK, p->readUtf8FromUtf16(&s));
+ EXPECT_EQ(token, s);
+ });
+}
+
+TEST(Parcel, Utf8AsUtf16Write) {
+ std::string token = "asdf";
+ parcelOpSameLength([&] (Parcel* p) {
+ p->writeUtf8AsUtf16(token);
+ }, [&] (Parcel* p) {
+ String16 s;
+ EXPECT_EQ(OK, p->readString16(&s));
+ EXPECT_EQ(s, String16(token.c_str()));
+ });
+}
+
+template <typename T>
+using readFunc = status_t (Parcel::*)(T* out) const;
+template <typename T>
+using writeFunc = status_t (Parcel::*)(const T& in);
+template <typename T>
+using copyWriteFunc = status_t (Parcel::*)(T in);
+
+template <typename T, typename WRITE_FUNC>
+void readWriteInverse(std::vector<T>&& ts, readFunc<T> r, WRITE_FUNC w) {
+ for (const T& value : ts) {
+ parcelOpSameLength([&] (Parcel* p) {
+ (*p.*w)(value);
+ }, [&] (Parcel* p) {
+ T outValue;
+ EXPECT_EQ(OK, (*p.*r)(&outValue));
+ EXPECT_EQ(value, outValue);
+ });
+ }
+}
+
+template <typename T>
+void readWriteInverse(std::vector<T>&& ts, readFunc<T> r, writeFunc<T> w) {
+ readWriteInverse<T, writeFunc<T>>(std::move(ts), r, w);
+}
+template <typename T>
+void readWriteInverse(std::vector<T>&& ts, readFunc<T> r, copyWriteFunc<T> w) {
+ readWriteInverse<T, copyWriteFunc<T>>(std::move(ts), r, w);
+}
+
+#define TEST_READ_WRITE_INVERSE(type, name, ...) \
+ TEST(Parcel, Inverse##name) { \
+ readWriteInverse<type>(__VA_ARGS__, &Parcel::read##name, &Parcel::write##name); \
+ }
+
+TEST_READ_WRITE_INVERSE(int32_t, Int32, {-2, -1, 0, 1, 2});
+TEST_READ_WRITE_INVERSE(uint32_t, Uint32, {0, 1, 2});
+TEST_READ_WRITE_INVERSE(int64_t, Int64, {-2, -1, 0, 1, 2});
+TEST_READ_WRITE_INVERSE(uint64_t, Uint64, {0, 1, 2});
+TEST_READ_WRITE_INVERSE(float, Float, {-1.0f, 0.0f, 3.14f});
+TEST_READ_WRITE_INVERSE(double, Double, {-1.0, 0.0, 3.14});
+TEST_READ_WRITE_INVERSE(bool, Bool, {true, false});
+TEST_READ_WRITE_INVERSE(char16_t, Char, {u'a', u'\0'});
+TEST_READ_WRITE_INVERSE(int8_t, Byte, {-1, 0, 1});
+TEST_READ_WRITE_INVERSE(String8, String8, {String8(), String8("a"), String8("asdf")});
+TEST_READ_WRITE_INVERSE(String16, String16, {String16(), String16("a"), String16("asdf")});