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91 lines
2.2 KiB
Plaintext
91 lines
2.2 KiB
Plaintext
//
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// m68kDecoderTests.m
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// Clock Signal
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//
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// Created by Thomas Harte on 18/04/2022.
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// Copyright 2022 Thomas Harte. All rights reserved.
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//
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#import <XCTest/XCTest.h>
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#include "../../../InstructionSets/M68k/Decoder.hpp"
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using namespace InstructionSet::M68k;
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@interface M68000DecoderTests : XCTestCase
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@end
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namespace {
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template <Model model> void generate() {
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printf("{\n");
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Predecoder<model> decoder;
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for(int instr = 0; instr < 65536; instr++) {
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printf("\t\"%04x\": \"", instr);
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const auto found = decoder.decode(uint16_t(instr));
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printf("%s\"", found.to_string(instr).c_str());
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if(instr != 0xffff) printf(",");
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printf("\n");
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}
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printf("}\n");
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}
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template <Model model> void test(NSString *filename, Class cls) {
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NSData *const testData =
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[NSData dataWithContentsOfURL:
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[[NSBundle bundleForClass:cls]
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URLForResource:filename
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withExtension:@"json"
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subdirectory:@"68000 Decoding"]];
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NSDictionary<NSString *, NSString *> *const decodings = [NSJSONSerialization JSONObjectWithData:testData options:0 error:nil];
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XCTAssertNotNil(decodings);
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NSMutableArray<NSString *> *failures = [[NSMutableArray alloc] init];
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Predecoder<model> decoder;
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for(int instr = 0; instr < 65536; instr++) {
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NSString *const instrName = [NSString stringWithFormat:@"%04x", instr];
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NSString *const expected = decodings[instrName];
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XCTAssertNotNil(expected);
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const auto found = decoder.decode(uint16_t(instr));
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// Test that all appropriate table entries are present for this operation.
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if(found.operation != Operation::Undefined) {
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operand_flags<model>(found.operation);
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operand_size(found.operation);
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}
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NSString *const instruction = [NSString stringWithUTF8String:found.to_string(instr).c_str()];
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if(![instruction isEqualToString:expected]) {
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[failures addObject:[NSString stringWithFormat:@"%@ should decode as %@; got %@", instrName, expected, instruction]];
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}
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}
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XCTAssertEqual([failures count], 0);
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if([failures count]) {
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NSLog(@"%@", failures);
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}
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}
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}
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@implementation M68000DecoderTests
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- (void)test68000 {
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test<Model::M68000>(@"68000ops", [self class]);
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}
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- (void)test68010 {
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test<Model::M68010>(@"68010ops", [self class]);
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}
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- (void)test68020 {
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test<Model::M68020>(@"68020ops", [self class]);
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}
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@end
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