Byte read tests.
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@ -3,6 +3,25 @@
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#include "packet_mosq.h"
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static void byte_read_helper(
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uint8_t *payload,
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int remaining_length,
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int rc_expected,
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uint8_t value_expected)
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{
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struct mosquitto__packet packet;
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uint8_t value = 0;
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int rc;
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memset(&packet, 0, sizeof(struct mosquitto__packet));
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packet.payload = payload;
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packet.remaining_length = remaining_length;
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rc = packet__read_byte(&packet, &value);
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CU_ASSERT_EQUAL(rc, rc_expected);
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CU_ASSERT_EQUAL(value, value_expected);
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}
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static void uint16_read_helper(
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uint8_t *payload,
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int remaining_length,
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@ -63,6 +82,51 @@ static void varint_read_helper(
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}
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/* ========================================================================
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* BYTE INTEGER TESTS
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* ======================================================================== */
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/* This tests reading a Byte from an incoming packet.
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*
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* It tests:
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* * Empty packets
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*/
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static void TEST_byte_read_empty(void)
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{
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/* Empty packet */
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byte_read_helper(NULL, 0, MOSQ_ERR_PROTOCOL, 0);
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}
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/* This tests reading a Byte from an incoming packet.
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*
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* It tests:
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* * Success at boundaries
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*/
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static void TEST_byte_read_success(void)
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{
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struct mosquitto__packet packet;
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uint8_t payload[20];
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int rc;
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/* 0 value */
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memset(payload, 0, sizeof(payload));
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payload[0] = 0x00;
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byte_read_helper(payload, 1, MOSQ_ERR_SUCCESS, 0x00);
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/* Middle */
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memset(payload, 0, sizeof(payload));
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payload[0] = 0x1F;
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byte_read_helper(payload, 1, MOSQ_ERR_SUCCESS, 0x1F);
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/* 65,535 value */
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memset(payload, 0, sizeof(payload));
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payload[0] = 0xFF;
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byte_read_helper(payload, 1, MOSQ_ERR_SUCCESS, 0xFF);
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}
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/* ========================================================================
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* TWO BYTE INTEGER TESTS
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* ======================================================================== */
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@ -75,7 +139,6 @@ static void varint_read_helper(
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static void TEST_uint16_read_empty(void)
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{
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struct mosquitto__packet packet;
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uint8_t payload[20];
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int rc;
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/* Empty packet */
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@ -134,8 +197,6 @@ static void TEST_uint16_read_success(void)
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}
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/* ========================================================================
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* FOUR BYTE INTEGER TESTS
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* ======================================================================== */
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@ -148,7 +209,6 @@ static void TEST_uint16_read_success(void)
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static void TEST_uint32_read_empty(void)
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{
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struct mosquitto__packet packet;
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uint8_t payload[20];
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int rc;
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/* Empty packet */
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@ -453,6 +513,8 @@ int init_datatype_tests(void)
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}
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if(0
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|| !CU_add_test(test_suite, "Byte read (empty packet)", TEST_byte_read_empty)
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|| !CU_add_test(test_suite, "Byte read (success values)", TEST_byte_read_success)
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|| !CU_add_test(test_suite, "Two Byte Integer read (empty packet)", TEST_uint16_read_empty)
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|| !CU_add_test(test_suite, "Two Byte Integer read (truncated packet)", TEST_uint16_read_truncated)
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|| !CU_add_test(test_suite, "Two Byte Integer read (success values)", TEST_uint16_read_success)
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