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9ea2db5bac
Classs for binary message encoding/decoding that matches the ones in the Flutter services library.
106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/platform/linux/public/flutter_linux/fl_binary_codec.h"
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#include "flutter/shell/platform/linux/testing/fl_test.h"
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#include "gtest/gtest.h"
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// Encode a message using a FlBinaryCodec. Return a hex string with the encoded
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// binary output.
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static gchar* encode_message(FlValue* value) {
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g_autoptr(FlBinaryCodec) codec = fl_binary_codec_new();
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g_autoptr(GError) error = nullptr;
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g_autoptr(GBytes) message =
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fl_message_codec_encode_message(FL_MESSAGE_CODEC(codec), value, &error);
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EXPECT_NE(message, nullptr);
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EXPECT_EQ(error, nullptr);
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return bytes_to_hex_string(message);
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}
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// Encode a message using a FlBinaryCodec. Expect the given error.
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static void encode_message_error(FlValue* value, GQuark domain, int code) {
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g_autoptr(FlBinaryCodec) codec = fl_binary_codec_new();
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g_autoptr(GError) error = nullptr;
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g_autoptr(GBytes) message =
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fl_message_codec_encode_message(FL_MESSAGE_CODEC(codec), value, &error);
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EXPECT_EQ(message, nullptr);
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EXPECT_TRUE(g_error_matches(error, domain, code));
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}
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// Decode a message using a FlBinaryCodec. The binary data is given in the form
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// of a hex string.
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static FlValue* decode_message(const char* hex_string) {
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g_autoptr(FlBinaryCodec) codec = fl_binary_codec_new();
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g_autoptr(GBytes) data = hex_string_to_bytes(hex_string);
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g_autoptr(GError) error = nullptr;
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g_autoptr(FlValue) value =
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fl_message_codec_decode_message(FL_MESSAGE_CODEC(codec), data, &error);
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EXPECT_EQ(error, nullptr);
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EXPECT_NE(value, nullptr);
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return fl_value_ref(value);
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}
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TEST(FlBinaryCodecTest, EncodeData) {
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uint8_t data[] = {0x00, 0x01, 0x02, 0xFD, 0xFE, 0xFF};
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g_autoptr(FlValue) value = fl_value_new_uint8_list(data, 6);
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g_autofree gchar* hex_string = encode_message(value);
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EXPECT_STREQ(hex_string, "000102fdfeff");
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}
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TEST(FlBinaryCodecTest, EncodeEmpty) {
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g_autoptr(FlValue) value = fl_value_new_uint8_list(nullptr, 0);
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g_autofree gchar* hex_string = encode_message(value);
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EXPECT_STREQ(hex_string, "");
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}
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TEST(FlBinaryCodecTest, EncodeNULL) {
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encode_message_error(nullptr, FL_MESSAGE_CODEC_ERROR,
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FL_MESSAGE_CODEC_ERROR_UNSUPPORTED_TYPE);
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}
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TEST(FlBinaryCodecTest, EncodeUnknownType) {
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g_autoptr(FlValue) value = fl_value_new_null();
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encode_message_error(value, FL_MESSAGE_CODEC_ERROR,
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FL_MESSAGE_CODEC_ERROR_UNSUPPORTED_TYPE);
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}
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TEST(FlBinaryCodecTest, DecodeData) {
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g_autoptr(FlValue) value = decode_message("000102fdfeff");
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ASSERT_EQ(fl_value_get_type(value), FL_VALUE_TYPE_UINT8_LIST);
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ASSERT_EQ(fl_value_get_length(value), static_cast<size_t>(6));
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EXPECT_EQ(fl_value_get_uint8_list(value)[0], 0x00);
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EXPECT_EQ(fl_value_get_uint8_list(value)[1], 0x01);
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EXPECT_EQ(fl_value_get_uint8_list(value)[2], 0x02);
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EXPECT_EQ(fl_value_get_uint8_list(value)[3], 0xFD);
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EXPECT_EQ(fl_value_get_uint8_list(value)[4], 0xFE);
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EXPECT_EQ(fl_value_get_uint8_list(value)[5], 0xFF);
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}
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TEST(FlBinaryCodecTest, DecodeEmpty) {
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g_autoptr(FlValue) value = decode_message("");
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ASSERT_EQ(fl_value_get_type(value), FL_VALUE_TYPE_UINT8_LIST);
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ASSERT_EQ(fl_value_get_length(value), static_cast<size_t>(0));
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}
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TEST(FlBinaryCodecTest, EncodeDecode) {
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g_autoptr(FlBinaryCodec) codec = fl_binary_codec_new();
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uint8_t data[] = {0x00, 0x01, 0x02, 0xFD, 0xFE, 0xFF};
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g_autoptr(FlValue) input = fl_value_new_uint8_list(data, 6);
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g_autoptr(GError) error = nullptr;
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g_autoptr(GBytes) message =
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fl_message_codec_encode_message(FL_MESSAGE_CODEC(codec), input, &error);
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EXPECT_NE(message, nullptr);
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EXPECT_EQ(error, nullptr);
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g_autoptr(FlValue) output =
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fl_message_codec_decode_message(FL_MESSAGE_CODEC(codec), message, &error);
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EXPECT_EQ(error, nullptr);
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EXPECT_NE(output, nullptr);
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ASSERT_TRUE(fl_value_equal(input, output));
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}
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