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tests: Add tests for host memory
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2 changed files with 184 additions and 0 deletions
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@ -2,6 +2,7 @@ add_executable(tests
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common/bit_field.cpp
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common/cityhash.cpp
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common/fibers.cpp
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common/host_memory.cpp
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common/param_package.cpp
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common/ring_buffer.cpp
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core/core_timing.cpp
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183
src/tests/common/host_memory.cpp
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183
src/tests/common/host_memory.cpp
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// Copyright 2021 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <catch2/catch.hpp>
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#include "common/host_memory.h"
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using Common::HostMemory;
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static constexpr size_t VIRTUAL_SIZE = 1ULL << 39;
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static constexpr size_t BACKING_SIZE = 4ULL * 1024 * 1024 * 1024;
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TEST_CASE("HostMemory: Initialize and deinitialize", "[common]") {
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{ HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE); }
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{ HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE); }
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}
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TEST_CASE("HostMemory: Simple map", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x5000, 0x8000, 0x1000);
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volatile u8* const data = mem.VirtualBasePointer() + 0x5000;
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data[0] = 50;
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REQUIRE(data[0] == 50);
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}
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TEST_CASE("HostMemory: Simple mirror map", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x5000, 0x3000, 0x2000);
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mem.Map(0x8000, 0x4000, 0x1000);
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volatile u8* const mirror_a = mem.VirtualBasePointer() + 0x5000;
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volatile u8* const mirror_b = mem.VirtualBasePointer() + 0x8000;
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mirror_b[0] = 76;
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REQUIRE(mirror_a[0x1000] == 76);
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}
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TEST_CASE("HostMemory: Simple unmap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x5000, 0x3000, 0x2000);
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volatile u8* const data = mem.VirtualBasePointer() + 0x5000;
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data[75] = 50;
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REQUIRE(data[75] == 50);
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mem.Unmap(0x5000, 0x2000);
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}
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TEST_CASE("HostMemory: Simple unmap and remap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x5000, 0x3000, 0x2000);
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volatile u8* const data = mem.VirtualBasePointer() + 0x5000;
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data[0] = 50;
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REQUIRE(data[0] == 50);
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mem.Unmap(0x5000, 0x2000);
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mem.Map(0x5000, 0x3000, 0x2000);
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REQUIRE(data[0] == 50);
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mem.Map(0x7000, 0x2000, 0x5000);
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REQUIRE(data[0x3000] == 50);
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}
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TEST_CASE("HostMemory: Nieche allocation", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x0000, 0, 0x20000);
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mem.Unmap(0x0000, 0x4000);
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mem.Map(0x1000, 0, 0x2000);
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mem.Map(0x3000, 0, 0x1000);
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mem.Map(0, 0, 0x1000);
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}
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TEST_CASE("HostMemory: Full unmap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x8000, 0, 0x4000);
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mem.Unmap(0x8000, 0x4000);
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mem.Map(0x6000, 0, 0x16000);
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}
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TEST_CASE("HostMemory: Right out of bounds unmap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x0000, 0, 0x4000);
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mem.Unmap(0x2000, 0x4000);
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mem.Map(0x2000, 0x80000, 0x4000);
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}
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TEST_CASE("HostMemory: Left out of bounds unmap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x8000, 0, 0x4000);
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mem.Unmap(0x6000, 0x4000);
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mem.Map(0x8000, 0, 0x2000);
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}
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TEST_CASE("HostMemory: Multiple placeholder unmap", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x0000, 0, 0x4000);
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mem.Map(0x4000, 0, 0x1b000);
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mem.Unmap(0x3000, 0x1c000);
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mem.Map(0x3000, 0, 0x20000);
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}
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TEST_CASE("HostMemory: Unmap between placeholders", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x0000, 0, 0x4000);
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mem.Map(0x4000, 0, 0x4000);
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mem.Unmap(0x2000, 0x4000);
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mem.Map(0x2000, 0, 0x4000);
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}
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TEST_CASE("HostMemory: Unmap to origin", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0, 0x4000);
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mem.Map(0x8000, 0, 0x4000);
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mem.Unmap(0x4000, 0x4000);
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mem.Map(0, 0, 0x4000);
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mem.Map(0x4000, 0, 0x4000);
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}
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TEST_CASE("HostMemory: Unmap to right", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0, 0x4000);
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mem.Map(0x8000, 0, 0x4000);
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mem.Unmap(0x8000, 0x4000);
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mem.Map(0x8000, 0, 0x4000);
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}
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TEST_CASE("HostMemory: Partial right unmap check bindings", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0x10000, 0x4000);
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volatile u8* const ptr = mem.VirtualBasePointer() + 0x4000;
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ptr[0x1000] = 17;
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mem.Unmap(0x6000, 0x2000);
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REQUIRE(ptr[0x1000] == 17);
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}
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TEST_CASE("HostMemory: Partial left unmap check bindings", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0x10000, 0x4000);
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volatile u8* const ptr = mem.VirtualBasePointer() + 0x4000;
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ptr[0x3000] = 19;
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ptr[0x3fff] = 12;
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mem.Unmap(0x4000, 0x2000);
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REQUIRE(ptr[0x3000] == 19);
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REQUIRE(ptr[0x3fff] == 12);
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}
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TEST_CASE("HostMemory: Partial middle unmap check bindings", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0x10000, 0x4000);
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volatile u8* const ptr = mem.VirtualBasePointer() + 0x4000;
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ptr[0x0000] = 19;
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ptr[0x3fff] = 12;
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mem.Unmap(0x1000, 0x2000);
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REQUIRE(ptr[0x0000] == 19);
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REQUIRE(ptr[0x3fff] == 12);
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}
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TEST_CASE("HostMemory: Partial sparse middle unmap and check bindings", "[common]") {
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HostMemory mem(BACKING_SIZE, VIRTUAL_SIZE);
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mem.Map(0x4000, 0x10000, 0x2000);
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mem.Map(0x6000, 0x20000, 0x2000);
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volatile u8* const ptr = mem.VirtualBasePointer() + 0x4000;
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ptr[0x0000] = 19;
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ptr[0x3fff] = 12;
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mem.Unmap(0x5000, 0x2000);
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REQUIRE(ptr[0x0000] == 19);
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REQUIRE(ptr[0x3fff] == 12);
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}
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