mirror of
https://github.com/esphome/esphome.git
synced 2026-05-10 14:09:14 +08:00
Rui Marinho
23 lines
770 B
C++
23 lines
770 B
C++
#include <gtest/gtest.h>
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#include "esphome/components/modbus/modbus_helpers.h"
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namespace esphome::modbus::helpers {
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TEST(ModbusHelpersTest, PayloadToNumberRejectsOffsetAtEndOfBuffer) {
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const std::vector<uint8_t> data{0x12, 0x34};
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EXPECT_EQ(payload_to_number(data, SensorValueType::U_WORD, 2, 0xFFFFFFFF), 0);
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}
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TEST(ModbusHelpersTest, PayloadToNumberRejectsTruncatedMultiRegisterValue) {
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const std::vector<uint8_t> data{0x12, 0x34, 0x56};
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EXPECT_EQ(payload_to_number(data, SensorValueType::U_DWORD, 0, 0xFFFFFFFF), 0);
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}
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TEST(ModbusHelpersTest, PayloadToNumberDecodesValidWord) {
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const std::vector<uint8_t> data{0x12, 0x34};
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EXPECT_EQ(payload_to_number(data, SensorValueType::U_WORD, 0, 0xFFFFFFFF), 0x1234);
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}
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} // namespace esphome::modbus::helpers
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