describe("TRANSPORT", ()=>{
    const UnitTest = require("./lib/UnitTest");
    const Z80Tester = require('./lib/Z80Tester');
    const Z80 = require('../Z80/Z80');
    const cpu = new Z80();

    const tester = new Z80Tester();
    function report(cpu, name, result) {
        if(result === true) {
            UnitTest.report(name, true);
        } else {
            UnitTest.report(name, false, "");
            cpu.reg.debugDump();
        }
    }
    var test_set = [
        { name: "LDI", test: function() {
            cpu.reg.setBC(0x0028);
            cpu.reg.setDE(0xD000);
            cpu.reg.setHL(0xD028);
            cpu.memory.poke(0xD000, 0);
            cpu.memory.poke(0xD028, 1);
            tester.runMnemonics(cpu, ["LDI"]);
            report(cpu, "LDI inc DE", cpu.reg.getDE() == 0xD001);
            report(cpu, "LDI inc HL", cpu.reg.getHL() == 0xD029);
            report(cpu, "LDI dec BC", cpu.reg.getBC() == 0x0027);
            report(cpu, "LDI memory", cpu.memory.peek(0xD000) == 1);
        }},
        { name: "LDIR", test: function() {
            cpu.reg.setBC(0x0028);
            cpu.reg.setDE(0xD000);
            cpu.reg.setHL(0xD028);
            for(var i = 0; i < 0x28; i++) {
                cpu.memory.poke(0xD000 + i, ~i & 0xff);
                cpu.memory.poke(0xD028 + i, i);
            }
            tester.runMnemonics(cpu, ["LDIR"]);
            report(cpu, "LDIR inc DE", cpu.reg.getDE() == 0xD028);
            report(cpu, "LDIR inc HL", cpu.reg.getHL() == 0xD050);
            report(cpu, "LDIR dec BC", cpu.reg.getBC() == 0x0000);
            for(var i = 0; i < 0x28; i++) {
                report(cpu, "LDI memory", cpu.memory.peek(0xD000 + i) == i);
            }
        }},
        { name: "LDD", test: function() {
            cpu.reg.setBC(0x0028);
            cpu.reg.setDE(0xD000);
            cpu.reg.setHL(0xD028);
            cpu.memory.poke(0xD000, 0);
            cpu.memory.poke(0xD028, 1);
            tester.runMnemonics(cpu, ["LDD"]);
            report(cpu, "LDD dec DE", cpu.reg.getDE() == 0xCFFF);
            report(cpu, "LDD dec HL", cpu.reg.getHL() == 0xD027);
            report(cpu, "LDD dec BC", cpu.reg.getBC() == 0x0027);
            report(cpu, "LDD memory", cpu.memory.peek(0xD000) == 1);
        }},
        { name: "LDDR", test: function() {
            cpu.reg.setBC(0x0028);
            cpu.reg.setDE(0xD027);
            cpu.reg.setHL(0xD04F);
            for(var i = 0; i < 0x28; i++) {
                cpu.memory.poke(0xD028 - 0x28 + i, ~i & 0xff);
                cpu.memory.poke(0xD050 - 0x28 + i, i);
            }
            tester.runMnemonics(cpu, ["LDDR"]);
            report(cpu, "LDDR dec DE", cpu.reg.getDE() == 0xCFFF);
            report(cpu, "LDDR dec HL", cpu.reg.getHL() == 0xD027);
            report(cpu, "LDDR dec BC", cpu.reg.getBC() == 0x0000);
            for(var i = 0; i < 0x28; i++) {
                report(cpu, "LDI memory", cpu.memory.peek(0xD000 + i) == i);
            }
        }},
    ];
    UnitTest.test({
        name: "block transfer",
        test_set: test_set
    });
});