void test_shift_selector(void) {
Instruction* i =
new_instruction_ri(op("shl", SHL), 4, addr_from_immediate(5));
TEST_ASSERT_EQUAL_INT_MESSAGE(5 << 3 | 4, build_shift_selector(i),
"Incorrect selector for shli");
free(i);
}
void test_jmp_selector(void) {
Instruction* i =
new_instruction_jmpi(op("jmp", JMP), addr_from_immediate(34), OS);
TEST_ASSERT_EQUAL_INT_MESSAGE(OS << 3, build_jmp_selector(i),
"Incorrect selector for jmp");
free(i);
}
void test_mem_selector(void) {
Instruction* i = new_instruction_memi(
op("st", ST), 3, 2, addr_from_immediate(456), false, true);
TEST_ASSERT_EQUAL_INT_MESSAGE(1 << 6 | 2 << 3 | 3, build_mem_selector(i),
"Incorrect selector for memi");
free(i);
}
void test_assemble_SHRI(void) {
test_reset();
Instruction* i =
new_instruction_ri(op("shr", SHR), 4, addr_from_immediate(3));
assemble_instruction(i, &ptr_copy);
uint16_t array_compare[] = {0x9a04, 0x0003, 0};
TEST_ASSERT_EQUAL_HEX16_ARRAY(array_compare, data, 2);
free(i);
}
void test_assemble_SUBI(void) {
test_reset();
Instruction* i =
new_instruction_ri(op("sub", SUB), 2, addr_from_immediate(0xf34d));
assemble_instruction(i, &ptr_copy);
uint16_t array_compare[] = {0x8202, 0xf34d, 0};
TEST_ASSERT_EQUAL_HEX16_ARRAY(array_compare, data, 3);
free(i);
}
void test_instruction_jmpi_3(void) {
Instruction* i =
new_instruction_jmpi(op("jmp", JMP), addr_from_immediate(23), EQ);
TEST_ASSERT_EQUAL_INT(I_TYPE_JMPI, i->type);
TEST_ASSERT_EQUAL_INT_MESSAGE(23, i->address->immediate,
"Incorrect Immediate");
TEST_ASSERT_EQUAL_INT_MESSAGE(EQ, i->cc, "Incorrect Condition code");
TEST_ASSERT_EQUAL_INT_MESSAGE(JMPI, i->op_type, "Incorrect opcode");
free(i);
}
void test_instruction_ri_3(void) {
Instruction* i =
new_instruction_ri(op("add", ADD), 5, addr_from_immediate(345));
TEST_ASSERT_EQUAL_INT(I_TYPE_RIMM, i->type);
TEST_ASSERT_EQUAL_INT_MESSAGE(ADDI, i->op_type, "Incorrect opcode");
TEST_ASSERT_EQUAL_INT_MESSAGE(5, i->rD, "Incorrect rD value");
TEST_ASSERT_EQUAL_INT_MESSAGE(345, i->address->immediate,
"Incorrect immediate");
free(i);
}
void test_reg_selector(void) {
Instruction* i = new_instruction_rr(op("sub", SUB), 4, 3);
uint8_t sel = build_reg_selector(i);
TEST_ASSERT_EQUAL_INT(0b00011100, sel);
free(i);
Instruction* i2 =
new_instruction_ri(op("add", ADD), 3, addr_from_immediate(45));
sel = build_reg_selector(i2);
TEST_ASSERT_EQUAL_INT(0b00000011, sel);
free(i2);
}
void test_instruction_memi_5(void) {
Instruction* i = new_instruction_memi(
op("st", ST), 3, 4, addr_from_immediate(2567), false, true);
TEST_ASSERT_EQUAL_INT(I_TYPE_MEMI, i->type);
TEST_ASSERT_EQUAL_INT_MESSAGE(3, i->rD, "Incorrect rD value");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, i->rS, "Incorrect rS value");
TEST_ASSERT_EQUAL_INT_MESSAGE(M_DISP, i->flags, "Incorrect MEM flags");
TEST_ASSERT_EQUAL_INT_MESSAGE(2567, i->address->immediate,
"Incorrect Immediate");
TEST_ASSERT_EQUAL_INT_MESSAGE(STI, i->op_type, "Incorrect opcode");
free(i);
}
void test_instruction_length(void) {
Instruction* rr = new_instruction_rr(op("add", ADD), 3, 2);
Instruction* ri =
new_instruction_ri(op("xor", XOR), 0, addr_from_immediate(234));
Instruction* memi = new_instruction_memi(
op("ld", LD), 3, 4, addr_from_immediate(1234), false, false);
Instruction* shift =
new_instruction_ri(op("shl", SHL), 3, addr_from_immediate(2));
Instruction* mov_special =
new_instruction_ri(op("mov", MOV), 3, addr_from_immediate(24));
Instruction* mov_general =
new_instruction_ri(op("mov", MOV), 5, addr_from_immediate(1456));
Instruction* jmpi =
new_instruction_jmpi(op("jmp", JMP), addr_from_immediate(34), AL);
TEST_ASSERT_EQUAL_INT_MESSAGE(2, instruction_length(rr),
"Incorrect RR instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, instruction_length(ri),
"Incorrect RI instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, instruction_length(memi),
"Incorrect MemI instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, instruction_length(shift),
"Incorrect Shift instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(2, instruction_length(mov_special),
"Incorrect Special movi instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, instruction_length(mov_general),
"Incorrect General movi instruction length");
TEST_ASSERT_EQUAL_INT_MESSAGE(4, instruction_length(jmpi),
"Incorrect JmpI instruction length");
free(rr);
free(ri);
free(memi);
free(shift);
free(mov_special);
free(mov_general);
free(jmpi);
}