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-rw-r--r--tests/cache.cc189
-rw-r--r--tests/dram.cc351
-rw-r--r--tests/utils.cc65
3 files changed, 0 insertions, 605 deletions
diff --git a/tests/cache.cc b/tests/cache.cc
deleted file mode 100644
index 0b04bce..0000000
--- a/tests/cache.cc
+++ /dev/null
@@ -1,189 +0,0 @@
-#include "cache.h"
-#include "dram.h"
-#include <catch2/catch_test_macros.hpp>
-
-class CacheFixture
-{
- public:
- CacheFixture()
- {
- this->m_delay = 4;
- this->c_delay = 2;
- this->d = new Dram(this->m_delay);
- this->c = new Cache(this->d, this->c_delay);
- this->expected = {0, 0, 0, 0};
- this->actual = this->c->view(0, 1)[0];
- }
-
- ~CacheFixture() { delete this->c; }
-
- /**
- * An operation that is done a lot.
- */
- void
- wait_for_storage(int delay, Response expected, std::function<Response()> f)
- {
- for (int i = 0; i < delay; ++i) {
- Response r = f();
-
- // check response
- CHECK(r == expected);
- // check for early modifications
- actual = c->view(0, 1)[0];
- REQUIRE(this->expected == this->actual);
- }
- }
-
- int m_delay;
- int c_delay;
- Cache *c;
- Dram *d;
- std::array<signed int, LINE_SIZE> expected;
- std::array<signed int, LINE_SIZE> actual;
-};
-
-TEST_CASE_METHOD(CacheFixture, "store 0th element in DELAY cycles", "[dram]")
-{
- Response r;
- signed int w;
- CHECK(expected == actual);
-
- w = 0x11223344;
- // delay + 1 due to internal logic, when mem
- // finishes handle_miss still returns 'blocked'
- this->wait_for_storage(this->m_delay + 1, BLOCKED, [this, w]() {
- return this->c->write_word(MEM, w, 0b0);
- });
-
- this->wait_for_storage(this->c_delay, WAIT, [this, w]() {
- return this->c->write_word(MEM, w, 0b0);
- });
-
- r = c->write_word(MEM, w, 0b0);
- CHECK(r == OK);
-
- actual = this->d->view(0, 1)[0];
- // we do NOT write back now!
- REQUIRE(expected == actual);
-
- expected.at(0) = w;
- actual = c->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- CacheFixture,
- "store 0th, 1st element in DELAY cycles, with conflict",
- "[cache]")
-{
- Response r;
- signed int w;
- int i;
- CHECK(expected == actual);
-
- w = 0x11223344;
- // delay + 1 due to internal logic, when mem
- // finishes handle_miss still returns 'blocked'
- for (i = 0; i < this->m_delay + 1; ++i) {
- r = c->write_word(MEM, w, 0b0);
- CHECK(r == BLOCKED);
- r = c->write_word(FETCH, w, 0b1);
- CHECK(r == WAIT);
-
- // check for early modifications
- actual = c->view(0, 1)[0];
- REQUIRE(this->expected == this->actual);
- }
-
- for (i = 0; i < this->c_delay; ++i) {
- r = c->write_word(MEM, w, 0b0);
- CHECK(r == WAIT);
- r = c->write_word(FETCH, w, 0b1);
- CHECK(r == WAIT);
-
- // check for early modifications
- actual = c->view(0, 1)[0];
- REQUIRE(this->expected == this->actual);
- }
-
- r = c->write_word(MEM, w, 0b0);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- // we do NOT write back now!
- REQUIRE(expected == actual);
-
- expected.at(0) = w;
- actual = c->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- // this should have been loaded already!
- this->wait_for_storage(this->c_delay, WAIT, [this, w]() {
- return this->c->write_word(FETCH, w, 0b1);
- });
-
- r = c->write_word(FETCH, w, 0b1);
- CHECK(r == OK);
-
- expected.at(1) = w;
- actual = c->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- CacheFixture,
- "store 0th, 1st element different tags, in DELAY cycles, no conflict",
- "[cache]")
-{
- Response r;
- signed int w;
- CHECK(expected == actual);
-
- w = 0x11223344;
- // delay + 1 due to internal logic, when mem
- // finishes handle_miss still returns 'blocked'
- this->wait_for_storage(this->m_delay + 1, BLOCKED, [this, w]() {
- return this->c->write_word(MEM, w, 0b0);
- });
-
- this->wait_for_storage(this->c_delay, WAIT, [this, w]() {
- return this->c->write_word(MEM, w, 0b0);
- });
-
- r = c->write_word(MEM, w, 0b0);
- CHECK(r == OK);
-
- expected.at(0) = w;
- actual = c->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- // write back to memory
- this->wait_for_storage(this->m_delay + 1, BLOCKED, [this, w]() {
- return this->c->write_word(FETCH, w, 0b10000001);
- });
-
- // fetch new address (don't run the completion cycle yet)
- this->wait_for_storage(this->m_delay, BLOCKED, [this, w]() {
- return this->c->write_word(FETCH, w, 0b10000001);
- });
-
- // after the fetch, this cache line should be empty
- this->c->write_word(FETCH, w, 0b10000001);
- CHECK(r == OK);
-
- expected.at(0) = 0;
- actual = c->view(0, 1)[0];
- CHECK(expected == actual);
-
- this->wait_for_storage(this->c_delay, WAIT, [this, w]() {
- return this->c->write_word(FETCH, w, 0b10000001);
- });
-
- r = c->write_word(FETCH, w, 0b10000001);
- CHECK(r == OK);
-
- expected.at(0) = 0;
- expected.at(1) = w;
- actual = c->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
diff --git a/tests/dram.cc b/tests/dram.cc
deleted file mode 100644
index 0e97e81..0000000
--- a/tests/dram.cc
+++ /dev/null
@@ -1,351 +0,0 @@
-#include "dram.h"
-#include <array>
-#include <catch2/catch_test_macros.hpp>
-
-class DramFixture
-{
- public:
- DramFixture()
- {
- this->delay = 3;
- this->d = new Dram(this->delay);
- this->expected = {0, 0, 0, 0};
- this->actual = this->d->view(0, 1)[0];
- }
-
- ~DramFixture() { delete this->d; }
-
- /**
- * An operation that is done a lot.
- */
- void
- wait_for_storage(int delay, Response expected, std::function<Response()> f)
- {
- for (int i = 0; i < delay; ++i) {
- Response r = f();
-
- // check response
- CHECK(r == expected);
- // check for early modifications
- actual = d->view(0, 1)[0];
- REQUIRE(this->expected == this->actual);
- }
- }
-
- int delay;
- Dram *d;
- std::array<signed int, LINE_SIZE> expected;
- std::array<signed int, LINE_SIZE> actual;
-};
-
-TEST_CASE_METHOD(DramFixture, "store 0th element in DELAY cycles", "[dram]")
-{
- Response r;
- signed int w;
- CHECK(expected == actual);
-
- w = 0x11223344;
- this->wait_for_storage(this->delay, WAIT, [this, w]() {
- return this->d->write_word(MEM, w, 0x0);
- });
-
- r = this->d->write_word(MEM, w, 0x0);
-
- CHECK(r == OK);
- expected.at(0) = w;
- actual = this->d->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture,
- "store 0th, 1st element in DELAY cycles, no conflict",
- "[dram]")
-{
- Response r;
- signed int w;
- CHECK(expected == actual);
-
- w = 0x11223344;
- this->wait_for_storage(this->delay, WAIT, [this, w]() {
- return this->d->write_word(MEM, w, 0x0);
- });
-
- r = d->write_word(MEM, w, 0x0);
- REQUIRE(r == OK);
-
- expected.at(0) = w;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- this->wait_for_storage(this->delay, WAIT, [this, w]() {
- return this->d->write_word(FETCH, w, 0x1);
- });
-
- r = d->write_word(FETCH, w, 0x1);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- expected.at(1) = w;
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture, "store 0th element in DELAY cycles with conflict", "[dram]")
-{
- Response r;
- signed int w;
- int i;
- CHECK(expected == actual);
-
- w = 0x11223344;
- for (i = 0; i < this->delay; ++i) {
- r = this->d->write_word(MEM, w, 0x0);
- CHECK(r == WAIT);
- r = this->d->write_word(FETCH, w, 0x1);
- CHECK(r == WAIT);
-
- // check for early modifications
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
- }
-
- r = d->write_word(MEM, w, 0x0);
- REQUIRE(r == OK);
-
- expected.at(0) = w;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- this->wait_for_storage(this->delay, WAIT, [this, w]() {
- return this->d->write_word(FETCH, w, 0x1);
- });
-
- r = d->write_word(FETCH, w, 0x1);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- expected.at(1) = w;
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(DramFixture, "store line in DELAY cycles", "[dram]")
-{
- Response r;
- signed int w;
- std::array<signed int, LINE_SIZE> buffer;
- CHECK(expected == actual);
-
- w = 0x11223344;
- buffer = {w, w + 1, w + 2, w + 3};
- this->wait_for_storage(this->delay, WAIT, [this, w, buffer]() {
- return this->d->write_line(MEM, buffer, 0x0);
- });
-
- r = d->write_line(MEM, buffer, 0x0);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- expected = buffer;
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture, "store line in DELAY cycles no conflict", "[dram]")
-{
- Response r;
- signed int w;
- std::array<signed int, LINE_SIZE> buffer;
- CHECK(expected == actual);
-
- w = 0x11223344;
- buffer = {w, w + 1, w + 2, w + 3};
- this->wait_for_storage(this->delay, WAIT, [this, w, buffer]() {
- return this->d->write_line(MEM, buffer, 0x0);
- });
-
- r = this->d->write_line(MEM, buffer, 0x0);
- REQUIRE(r == OK);
-
- expected = buffer;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- buffer = {w + 4, w + 5, w + 6, w + 7};
- this->wait_for_storage(this->delay, WAIT, [this, w, buffer]() {
- return this->d->write_line(FETCH, buffer, 0x1);
- });
-
- r = this->d->write_line(FETCH, buffer, 0x1);
- CHECK(r == OK);
-
- expected = buffer;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture, "store line in DELAY cycles with conflict", "[dram]")
-{
- Response r;
- signed int w;
- int i;
- std::array<signed int, LINE_SIZE> buffer;
- CHECK(expected == actual);
-
- w = 0x11223344;
- buffer = {w, w + 1, w + 2, w + 3};
- for (i = 0; i < this->delay; ++i) {
- r = this->d->write_line(MEM, buffer, 0x0);
- CHECK(r == WAIT);
- r = d->write_line(FETCH, buffer, 0x1);
- CHECK(r == WAIT);
-
- // check for early modifications
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
- }
-
- r = d->write_line(MEM, buffer, 0x0);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- expected = buffer;
- REQUIRE(expected == actual);
-
- buffer = {w + 4, w + 5, w + 6, w + 7};
- this->wait_for_storage(this->delay, WAIT, [this, w, buffer]() {
- return this->d->write_line(FETCH, buffer, 0x1);
- });
-
- r = this->d->write_line(FETCH, buffer, 0x1);
- CHECK(r == OK);
-
- expected = buffer;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture,
- "store line in DELAY cycles, read in DELAY cycles, no conflict",
- "[dram]")
-{
- Response r;
- signed int w;
- int i, addr;
- CHECK(expected == actual);
-
- w = 0x11223311;
- addr = 0x0;
- expected = {w, w + 1, w + 2, w + 3};
- for (i = 0; i < this->delay; ++i) {
- r = d->write_line(MEM, expected, addr);
- CHECK(r == WAIT);
- }
- r = d->write_line(MEM, expected, addr);
- CHECK(r == OK);
-
- for (i = 0; i < this->delay; ++i) {
- r = d->read_line(MEM, addr, actual);
-
- CHECK(r == WAIT);
- REQUIRE(expected != actual);
- }
-
- r = d->read_line(MEM, addr, actual);
-
- CHECK(r == OK);
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture,
- "store line in DELAY cycles, read in DELAY cycles with conflict",
- "[dram]")
-{
- Response r;
- signed int w;
- int i, addr;
- CHECK(expected == actual);
-
- w = 0x11223311;
- addr = 0x0;
- expected = {w, w + 1, w + 2, w + 3};
- for (i = 0; i < delay; ++i) {
- r = d->write_line(MEM, expected, addr);
- CHECK(r == WAIT);
-
- r = d->read_line(FETCH, addr, actual);
- CHECK(r == WAIT);
- }
- r = d->write_line(MEM, expected, addr);
- CHECK(r == OK);
-
- for (i = 0; i < this->delay; ++i) {
- r = d->read_line(MEM, addr, actual);
-
- CHECK(r == WAIT);
- REQUIRE(expected != actual);
- }
-
- r = d->read_line(MEM, addr, actual);
-
- CHECK(r == OK);
- REQUIRE(expected == actual);
-}
-
-TEST_CASE_METHOD(
- DramFixture,
- "store line in DELAY cycles, read one element at a time in DELAY cycles "
- "with conflict",
- "[dram]")
-{
- Response r;
- signed int w, a;
- int i, j, addr;
- CHECK(expected == actual);
-
- w = 0x11223311;
- a = 0x0;
- addr = 0x0;
- expected = {w, w + 1, w + 2, w + 3};
- for (i = 0; i < this->delay; ++i) {
- r = d->write_line(MEM, expected, addr);
- CHECK(r == WAIT);
- }
- r = d->write_line(MEM, expected, addr);
- CHECK(r == OK);
-
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-
- for (i = 0; i < LINE_SIZE; ++i) {
- for (j = 0; j < this->delay; ++j) {
- r = d->read_word(MEM, addr, a);
-
- CHECK(r == WAIT);
- REQUIRE(0x0 == a);
- }
- r = d->read_word(MEM, addr++, a);
- CHECK(r == OK);
- REQUIRE(w++ == a);
-
- a = 0;
- }
-}
-
-TEST_CASE_METHOD(DramFixture, "Sidedoor bypasses delay", "[dram]")
-{
- Response r;
- signed int w;
- CHECK(expected == actual);
-
- w = 0x11223344;
- r = this->d->write_word(SIDE, w, 0x0);
- CHECK(r == OK);
-
- expected.at(0) = w;
- actual = d->view(0, 1)[0];
- REQUIRE(expected == actual);
-}
diff --git a/tests/utils.cc b/tests/utils.cc
deleted file mode 100644
index 2e0e934..0000000
--- a/tests/utils.cc
+++ /dev/null
@@ -1,65 +0,0 @@
-#include "utils.h"
-#include "definitions.h"
-#include <catch2/catch_test_macros.hpp>
-
-TEST_CASE("Parse arbitrary fields # one", "[utils]")
-{
- int tag, index, offset;
- int address = 0b0001010101;
- get_cache_fields(address, &tag, &index, &offset);
- CHECK(tag == 0b000);
- CHECK(index == 0b10101);
- CHECK(offset == 0b01);
-}
-
-TEST_CASE("Parse arbitrary fields # two", "[utils]")
-{
- int tag, index, offset;
- int address = 0b0100111011;
- get_cache_fields(address, &tag, &index, &offset);
- CHECK(tag == 0b010);
- CHECK(index == 0b01110);
- CHECK(offset == 0b11);
-}
-
-TEST_CASE("wrap address outside upper bound", "[utils]")
-{
- int address = MEM_WORDS + 25;
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == 25);
-}
-
-TEST_CASE("wrap address inside upper bound", "[utils]")
-{
- int address = MEM_WORDS - 25;
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == MEM_WORDS - 25);
-}
-
-TEST_CASE("wrap address at upper bound", "[utils]")
-{
- int address = MEM_WORDS;
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == 0);
-}
-
-TEST_CASE("wrap address lower than 0 with magnitude lesser than mem size", "[utils]")
-{
- int address = -10;
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == MEM_WORDS - 10);
-}
-
-TEST_CASE("wrap address lower than 0 but with magnitude greater than mem size", "[utils]")
-{
- int address = -(MEM_WORDS + 10);
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == MEM_WORDS - 10);
-}
-
-TEST_CASE("wrap address at 0", "[utils]")
-{
- int address = 0;
- int wrapped = wrap_address(address);
- REQUIRE(wrapped == 0);
-}
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