Change structure of tester

This commit is contained in:
xenia 2024-01-17 12:25:06 +01:00
parent 11c31c5baf
commit fdd0dd925a
3 changed files with 200 additions and 136 deletions

View File

@ -1,6 +1,53 @@
#include "Valu.h"
#include "verilated.h"
#include "tester.hpp"
#include <stdint.h>
struct alu_testcase {
std::string name;
// Inputs
uint32_t A, B;
uint8_t op;
// Outputs
uint32_t O;
std::optional<bool> overflow, zero;
std::optional<unsigned int> max_cycles;
};
void test_op(Valu *valu, Tester *tester, alu_testcase test) {
Tester subtester(tester, test.name);
// assign inputs
valu->op = test.op;
valu->A = test.A;
valu->B = test.B;
valu->eval();
char o_name[100];
if (test.O < 0x100)
snprintf(o_name, sizeof o_name, "O == 0x%02x", test.O);
if (test.O < 0x10000)
snprintf(o_name, sizeof o_name, "O == 0x%04x", test.O);
else
snprintf(o_name, sizeof o_name, "O == 0x%08x", test.O);
subtester.assert_eq(o_name, valu->O, test.O);
if (test.overflow.has_value()) {
if (*test.overflow)
subtester.assert_eq("overflow flag set", valu->Fflow, 1);
else
subtester.assert_eq("no overflow flag", valu->Fflow, 0);
}
if (test.zero.has_value()) {
if (*test.zero)
subtester.assert_eq("zero flag set", valu->Fzero, 1);
else
subtester.assert_eq("no zero flag", valu->Fzero, 0);
}
}
int main(int argc, char **argv) {
VerilatedContext *vctx = new VerilatedContext;
@ -8,141 +55,114 @@ int main(int argc, char **argv) {
Tester alu_t("alu");
{
Tester add_t(&alu_t, "add");
Tester add_t(&alu_t, "add", true);
{
Tester add_case(&add_t, "0x2137+0x1234");
valu->op = 0b000;
valu->A = 0x2137;
valu->B = 0x1234;
valu->eval();
add_case.assert_eq("O == 0x336b", valu->O, 0x336b);
add_case.assert_eq("no overflow", valu->Fflow, 0x0);
add_case.assert_eq("no Fzero", valu->Fzero, 0x0);
test_op(valu, &add_t, {
.name = "0x2137+0x1234",
.A = 0x2137, .B = 0x1234, .op = 0b000,
.O = 0x336b, .overflow = false,
});
test_op(valu, &add_t, {
.name = "0x09+0x10",
.A = 0x09, .B = 0x10, .op = 0b000,
.O = 0x19, .overflow = false,
});
test_op(valu, &add_t, {
.name = "0x5555+0x5555",
.A = 0x5555, .B = 0x5555, .op = 0b000,
.O = 0xaaaa, .overflow = false,
});
test_op(valu, &add_t, {
.name = "0xfffffffe+0x1",
.A = 0xfffffffe, .B = 0x1, .op = 0b000,
.O = 0xffffffff, .overflow = false, .zero = false,
});
test_op(valu, &add_t, {
.name = "0xffffffff+0x1",
.A = 0xffffffff, .B = 0x1, .op = 0b000,
.O = 0x0, .overflow = true, .zero = true,
});
test_op(valu, &add_t, {
.name = "0xffffffff+0x2",
.A = 0xffffffff, .B = 0x2, .op = 0b000,
.O = 0x1, .overflow = true, .zero = false,
});
test_op(valu, &add_t, {
.name = "0x0+0x0",
.A = 0x0, .B = 0x0, .op = 0b000,
.O = 0x0, .overflow = false, .zero = true,
});
}
{
Tester add_case(&add_t, "0x9+0x10");
valu->op = 0b000;
valu->A = 0x9;
valu->B = 0x10;
valu->eval();
add_case.assert_eq("O == 0x19", valu->O, 0x19);
add_case.assert_eq("no overflow", valu->Fflow, 0x0);
add_case.assert_eq("no Fzero", valu->Fzero, 0x0);
Tester sub_t(&alu_t, "sub", true);
test_op(valu, &sub_t, {
.name = "0x2137-0x0420",
.A = 0x2137, .B = 0x0420, .op = 0b001,
.O = 0x1d17, .overflow = false,
});
test_op(valu, &sub_t, {
.name = "0x0-0x1",
.A = 0x0, .B = 0x1, .op = 0b001,
.O = 0xffffffff, .overflow = true,
});
test_op(valu, &sub_t, {
.name = "0x100-0x0200",
.A = 0x100, .B = 0x200, .op = 0b001,
.O = 0xffffff00, .overflow = true,
});
test_op(valu, &sub_t, {
.name = "0x21-0x9",
.A = 0x21, .B = 0x9, .op = 0b001,
.O = 0x18, .overflow = false, .zero = false,
});
test_op(valu, &sub_t, {
.name = "0x20-0x20",
.A = 0x20, .B = 0x20, .op = 0b001,
.O = 0x0, .overflow = false, .zero = true,
});
}
{
Tester add_case(&add_t, "0x5555+0x5555");
valu->op = 0b000;
valu->A = 0x5555;
valu->B = 0x5555;
valu->eval();
add_case.assert_eq("O == 0xaaaa", valu->O, 0xaaaa);
add_case.assert_eq("no overflow", valu->Fflow, 0x0);
add_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
{
Tester add_case(&add_t, "0xffffffff+0x1");
valu->op = 0b000;
valu->A = 0xffffffff;
valu->B = 0x1;
valu->eval();
add_case.assert_eq("O == 0x0", valu->O, 0x0);
add_case.assert_eq("has overflow", valu->Fflow, 0x1);
add_case.assert_eq("has Fzero", valu->Fzero, 0x1);
}
}
{
Tester sub_t(&alu_t, "sub");
{
Tester sub_case(&sub_t, "0x2137-0x0420");
valu->op = 0b001;
valu->A = 0x2137;
valu->B = 0x0420;
valu->eval();
sub_case.assert_eq("O == 0x1d17", valu->O, 0x1d17);
sub_case.assert_eq("no underflow", valu->Fflow, 0x0);
sub_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
{
Tester sub_case(&sub_t, "0x100-0x200");
valu->op = 0b001;
valu->A = 0x100;
valu->B = 0x200;
valu->eval();
sub_case.assert_eq("O == 0xffffff00", valu->O, 0xffffff00);
sub_case.assert_eq("has underflow", valu->Fflow, 0x1);
sub_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
{
Tester sub_case(&sub_t, "0x0-0x1");
valu->op = 0b001;
valu->A = 0x0;
valu->B = 0x1;
valu->eval();
sub_case.assert_eq("O == 0xffffffff", valu->O, 0xffffffff);
sub_case.assert_eq("has underflow", valu->Fflow, 0x1);
sub_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
{
Tester sub_case(&sub_t, "0x20-0x20");
valu->op = 0b001;
valu->A = 0x20;
valu->B = 0x20;
valu->eval();
sub_case.assert_eq("O == 0x0", valu->O, 0x0);
sub_case.assert_eq("no underflow", valu->Fflow, 0x0);
sub_case.assert_eq("has Fzero", valu->Fzero, 0x1);
}
}
{
Tester bitwise_t(&alu_t, "bitwise");
Tester bitwise_t(&alu_t, "bitwise", true);
// 0x3 = 0b0011, 0x5 = 0b0101
{
Tester and_case(&bitwise_t, "0x3&0x5");
valu->op = 0b100;
valu->A = 0x3;
valu->B = 0x5;
valu->eval();
and_case.assert_eq("O == 0x1", valu->O, 0x1);
and_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
{
Tester or_case(&bitwise_t, "0x3|0x5");
valu->op = 0b101;
valu->A = 0x3;
valu->B = 0x5;
valu->eval();
or_case.assert_eq("O == 0x7", valu->O, 0x7);
or_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
test_op(valu, &bitwise_t, {
.name = "0x3&0x5",
.A = 0x3, .B = 0x5, .op = 0b100,
.O = 0x1, .zero = false,
});
{
Tester xor_case(&bitwise_t, "0x3^0x5");
valu->op = 0b110;
valu->A = 0x3;
valu->B = 0x5;
valu->eval();
xor_case.assert_eq("O == 0x6", valu->O, 0x6);
xor_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
test_op(valu, &bitwise_t, {
.name = "0x3|0x5",
.A = 0x3, .B = 0x5, .op = 0b101,
.O = 0x7, .zero = false,
});
{
Tester xor_case(&bitwise_t, "~0xa5a5a5a5");
valu->op = 0b111;
valu->A = 0xa5a5a5a5;
valu->eval();
xor_case.assert_eq("O == 0x5a5a5a5a", valu->O, 0x5a5a5a5a);
xor_case.assert_eq("no Fzero", valu->Fzero, 0x0);
}
test_op(valu, &bitwise_t, {
.name = "0x3^0x5",
.A = 0x3, .B = 0x5, .op = 0b110,
.O = 0x6, .zero = false,
});
test_op(valu, &bitwise_t, {
.name = "~0xa5a5a5a5",
.A = 0xa5a5a5a5, .B = 0x0, .op = 0b111,
.O = 0x5a5a5a5a, .zero = false,
});
test_op(valu, &bitwise_t, {
.name = "~0xffffffff",
.A = 0xffffffff, .B = 0x0, .op = 0b111,
.O = 0x0, .zero = true,
});
}
}

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@ -9,6 +9,33 @@ const std::string ANSI_GREEN = "\033[38;5;2m";
const std::string ANSI_RED = "\033[38;5;1m";
const std::string ANSI_YELLOW = "\033[38;5;11m";
Tester::Tester(std::string test_name) :
parent(),
name(test_name),
succeeded(0), failed(0),
detailed(true)
{
intro();
}
Tester::Tester(Tester* tester_parent, std::string test_name) :
parent(tester_parent),
name(test_name),
succeeded(0), failed(0),
detailed(false)
{
intro();
}
Tester::Tester(Tester* tester_parent, std::string test_name, bool show_details) :
parent(tester_parent),
name(test_name),
succeeded(0), failed(0),
detailed(show_details)
{
intro();
}
int Tester::depth() {
int depth = 0;
for (std::optional<Tester*> at = this; at.has_value(); at = (*at)->parent) {
@ -65,35 +92,48 @@ std::string Tester::prefix() {
}
void Tester::intro() {
if (shown())
std::cout << prefix() << "=== " << ANSI_YELLOW << "start" << ANSI_RESET << std::endl;
}
Tester::Tester(std::string test_name) :
parent(),
name(test_name),
succeeded(0), failed(0)
{
intro();
bool name_show_overwritten(std::string name) {
char *shown_c = std::getenv("SHOW_CASE");
if (shown_c == NULL)
return false;
std::string shown(shown_c);
shown.push_back(' ');
shown.insert(0, " ");
name.push_back(' ');
name.insert(0, " ");
return shown.find(name) != std::string::npos;
}
Tester::Tester(Tester* tester_parent, std::string test_name) :
parent(tester_parent),
name(test_name),
succeeded(0), failed(0)
{
intro();
bool Tester::shown() {
for (std::optional<Tester*> at = this; at.has_value(); at = (*at)->parent) {
if (name_show_overwritten((*at)->name))
return true;
}
for (std::optional<Tester*> at = this; at.has_value(); at = (*at)->parent) {
if (!(*at)->detailed)
return false;
}
return true;
}
void Tester::assert_eq_str(std::string test_name, bool correct, std::string got_s, std::string expected_s) {
std::cout << prefix() << "- " << test_name;
if (correct) {
std::cout << " " << ANSI_GREEN << "succeded" << ANSI_RESET << std::endl;
if (shown()) {
std::cout << prefix() << ANSI_GREEN << "" << ANSI_RESET << test_name << ANSI_RESET << std::endl;
}
for (std::optional<Tester*> at = this; at.has_value(); at = (*at)->parent) {
(*at)->succeeded++;
}
} else {
std::cout << " " << ANSI_RED << "failed - got " << got_s << ", expected " << expected_s << ANSI_RESET << std::endl;
std::cout << prefix() << ANSI_RED << "" << ANSI_RESET << test_name << " - " << ANSI_RED << "got " << got_s << ", expected " << expected_s << ANSI_RESET << std::endl;
for (std::optional<Tester*> at = this; at.has_value(); at = (*at)->parent) {
(*at)->failed++;
}
@ -111,6 +151,7 @@ void Tester::finish() {
snprintf(n_failed_s, sizeof n_failed_s, "%d", failed);
if (failed == 0) {
// printf("[ %s ] - %sall succeeded%s, out of %d total\n", name.c_str(), ANSI_GREEN.c_str(), ANSI_RESET.c_str(), succeeded + failed);
if (shown())
std::cout << prefix() << "=== " << ANSI_GREEN << "all succeeded" << ANSI_RESET << ", out of " << n_cases_s << " total" << std::endl;
} else {
std::cout << prefix() << "=== " << ANSI_RED << n_failed_s << " failed" << ANSI_RESET << ", " << ANSI_GREEN << n_succeeded_s << " succeeded" << ANSI_RESET << " out of " << n_cases_s << " total" << std::endl;

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@ -7,6 +7,7 @@ class Tester {
Tester(std::string test_name);
Tester(Tester* tester_parent, std::string test_name);
Tester(Tester* tester_parent, std::string test_name, bool show_details);
template<typename T, typename U>
void assert_eq(std::string test_name, T got, U expected) {
@ -28,8 +29,10 @@ class Tester {
std::optional<Tester*> parent;
std::string name;
int succeeded, failed;
bool detailed;
int depth();
bool shown();
std::string full_name();
std::string prefix();
};