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graphics: consolidate validation guest checks

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This commit is contained in:
nmzik
2026-08-31 11:06:51 +04:00
parent 96c64d113e
commit 39a34fa343
10 changed files with 62 additions and 47 deletions
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tests/MemoryTrackerTests.cpp
+24
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@@ -29,9 +29,11 @@
namespace {
using Libs::Graphics::GuestRange;
using Libs::Graphics::MemoryTracker;
using Libs::Graphics::PageManager;
using Libs::Graphics::RangeSet;
using Libs::Graphics::TRACKER_ADDRESS_SIZE;
void Check(bool value, const char *text) {
if (!value) {
@@ -208,6 +210,27 @@ void TestRangeSet() {
"range set subtraction did not preserve both exact tails");
}
void TestGuestRange() {
constexpr GuestRange empty{};
constexpr GuestRange first_byte{1, 1};
constexpr GuestRange last_byte{TRACKER_ADDRESS_SIZE - 1, 1};
static_assert(empty.Empty() && !empty.Valid() && empty.ValidOrEmpty());
static_assert(!first_byte.Empty() && first_byte.Valid() &&
first_byte.ValidOrEmpty() && first_byte.End() == 2);
static_assert(last_byte.Valid() && last_byte.End() == TRACKER_ADDRESS_SIZE);
Check(!GuestRange{0, 1}.Empty() && !GuestRange{0, 1}.ValidOrEmpty(),
"zero-address nonempty guest range is rejected");
Check(!GuestRange{1, 0}.Empty() && !GuestRange{1, 0}.ValidOrEmpty(),
"nonzero-address empty guest range is rejected");
Check(!GuestRange{TRACKER_ADDRESS_SIZE, 1}.Valid(),
"first address beyond the guest range is rejected");
Check(!GuestRange{TRACKER_ADDRESS_SIZE - 1, 2}.Valid(),
"guest range crossing the address-space end is rejected");
Check(!GuestRange{UINT64_MAX, 2}.Valid(), "wrapping guest range is rejected");
}
void TestQueriesDoNotRequireMappedOwnership() {
constexpr uint64_t address = 0x0000000203000000ull;
TrackerHarness harness;
@@ -829,6 +852,7 @@ int main(int argc, char **argv) {
if (argc == 3 && std::strcmp(argv[1], "--death") == 0) {
RunDeathCase(argv[2]);
}
TestGuestRange();
TestRangeSet();
TestQueriesDoNotRequireMappedOwnership();
TestConcurrentRegionPublication();