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'use strict';
const { assemble } = require('./parser.js');
test('assemble the imp', () => {
expect(assemble(`
mov 0, 1
end
`)).toEqual({
start: 0,
program: [
{
opcode: 'MOV',
a: { mode: 'direct', value: 0 },
b: { mode: 'direct', value: 1 },
},
],
});
});
test('assemble dwarf', () => {
expect(assemble(`
bomb dat #0
dwarf add #4, bomb
mov bomb, @bomb
jmp dwarf
end dwarf
`)).toEqual({
start: 1,
program: [
{ opcode: 'DAT',
a: { mode: 'immediate', value: 0 },
b: { mode: 'immediate', value: 0 },
},
{ opcode: 'ADD',
a: { mode: 'immediate', value: 4 },
b: { mode: 'direct', value: -1 },
},
{ opcode: 'MOV',
a: { mode: 'direct', value: -2 },
b: { mode: 'indirect', value: -2 },
},
{ opcode: 'JMP',
a: { mode: 'direct', value: -2 },
b: { mode: 'direct', value: 0 },
},
],
});
});
test('assemble armadillo', () => {
expect(assemble(`
; armadillo
; author: stefan strack
bomb spl 0
loop add #3039, ptr
ptr mov bomb, 81
jmp loop
mov 1, <-1
end bomb
`)).toEqual({
start: 0,
program: [
{ opcode: 'SPL',
a: { mode: 'direct', value: 0 },
b: { mode: 'direct', value: 0 },
},
{ opcode: 'ADD',
a: { mode: 'immediate', value: 3039 },
b: { mode: 'direct', value: 1 },
},
{ opcode: 'MOV',
a: { mode: 'direct', value: -2 },
b: { mode: 'direct', value: 81 },
},
{ opcode: 'JMP',
a: { mode: 'direct', value: -2 },
b: { mode: 'direct', value: 0 },
},
{ opcode: 'MOV',
a: { mode: 'direct', value: 1 },
b: { mode: 'predecrement', value: -1 },
},
],
});
});
test('illegal instructions are not assembled', () => {
expect(() => assemble("dat 0, #0\nend")).toThrow();
expect(() => assemble("dat @0, #0\nend")).toThrow();
expect(() => assemble("mov 0, #0\nend")).toThrow();
expect(() => assemble("add 0, #0\nend")).toThrow();
expect(() => assemble("sub 0, #0\nend")).toThrow();
expect(() => assemble("cmp 0, #0\nend")).toThrow();
expect(() => assemble("slt 0, #0\nend")).toThrow();
expect(() => assemble("jmp #0, 0\nend")).toThrow();
expect(() => assemble("jmz #0, 0\nend")).toThrow();
expect(() => assemble("jmn #0, 0\nend")).toThrow();
expect(() => assemble("jmn #0, 0\nend")).toThrow();
expect(() => assemble("djn #0, 0\nend")).toThrow();
expect(() => assemble("spl #0, 0\nend")).toThrow();
});
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