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Summarise failures.

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This commit is contained in:
Thomas Harte 2024-03-10 16:56:39 -04:00
parent e17700b495
commit 06a5df029d
1 changed files with 40 additions and 15 deletions
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55
OSBindings/Mac/Clock SignalTests/ARMDecoderTests.mm
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@ -12,6 +12,7 @@
#include "CSROMFetcher.hpp"
#include "NSData+dataWithContentsOfGZippedFile.h"
#include <map>
#include <sstream>
using namespace InstructionSet::ARM;
@ -65,7 +66,7 @@ struct MemoryLedger {
template <typename IntT>
bool write(uint32_t address, IntT source, Mode, bool) {
if(write_pointer == writes.size() || writes[write_pointer].size != sizeof(IntT) || writes[write_pointer].address != address || writes[write_pointer].value != source) {
throw 0;
return false;
}
++write_pointer;
return true;
@ -74,7 +75,7 @@ struct MemoryLedger {
template <typename IntT>
bool read(uint32_t address, IntT &source, Mode, bool) {
if(read_pointer == reads.size() || reads[read_pointer].size != sizeof(IntT) || reads[read_pointer].address != address) {
throw 0;
return false;
}
source = reads[read_pointer].value;
++read_pointer;
@ -336,6 +337,13 @@ struct MemoryLedger {
using Exec = Executor<Model::ARMv2, MemoryLedger>;
std::unique_ptr<Exec> test;
struct FailureRecord {
int count = 0;
int first = 0;
NSString *sample;
};
std::map<uint32_t, FailureRecord> failures;
uint32_t instruction = 0;
int test_count = 0;
while(!input.eof()) {
@ -345,7 +353,6 @@ struct MemoryLedger {
if(label == "**") {
input >> instruction;
test_count = 0;
test = std::make_unique<Exec>();
continue;
}
@ -356,6 +363,7 @@ struct MemoryLedger {
input >> regs[c];
}
if(!test) test = std::make_unique<Exec>();
auto &registers = test->registers();
if(label == "Before:") {
// This is the start of a new test.
@ -382,20 +390,30 @@ struct MemoryLedger {
}
execute<Model::ARMv2>(instruction, *test);
NSMutableString *error = nil;
for(uint32_t c = 0; c < 15; c++) {
XCTAssertEqual(
regs[c],
registers[c],
@"R%d doesn't match during instruction %08x, test %d", c, instruction, test_count);
if(regs[c] != registers[c]) {
if(!error) error = [[NSMutableString alloc] init]; else [error appendString:@"; "];
[error appendFormat:@"R%d %08x v %08x", c, regs[c], registers[c]];
}
}
XCTAssertEqual(
regs[15] & r15_mask,
registers.pc_status(8) & r15_mask,
@"PC or PSR doesn't match during instruction %08x, test %d; PC: %08x v %08x; PSR: %08x v %08x",
instruction, test_count,
regs[15] & 0x3fffffc, registers.pc(8),
regs[15] & ~0x3fffffc, registers.status());
if((regs[15] & r15_mask) != (registers.pc_status(8) & r15_mask)) {
if(!error) error = [[NSMutableString alloc] init]; else [error appendString:@"; "];
[error appendFormat:@"; PC/PSR %08x/%08x v %08x/%08x",
regs[15] & 0x3fffffc, regs[15] & ~0x3fffffc,
registers.pc(8), registers.status()];
}
if(error) {
++failures[instruction].count;
if(failures[instruction].count == 1) {
failures[instruction].first = test_count;
failures[instruction].sample = error;
}
}
test.reset();
}
continue;
}
@ -431,7 +449,14 @@ struct MemoryLedger {
}
}
XCTAssertNotNil(tests);
XCTAssertTrue(failures.empty());
if(!failures.empty()) {
NSLog(@"Failed %zu instructions; examples below", failures.size());
for(const auto &pair: failures) {
NSLog(@"%08x, %d total, test %d: %@", pair.first, pair.second.count, pair.second.first, pair.second.sample);
}
}
}
// TODO: turn the below into a trace-driven test case.