9cc/test.sh at main · nuts3745/9cc · GitHub

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#!/bin/bash
assert() {
  expected="$1"
  input="$2"

  ./9cc "$input" > tmp.s
  cc -o tmp tmp.s
  ./tmp
  actual="$?"

  if [ "$actual" = "$expected" ]; then
    echo "$input => $actual"
  else
    echo "$input => $expected expected, but got $actual"
    exit 1
  fi
}

assert 0 "0;"
assert 42 "42;"

assert 21 "5+20-4;"

assert 41 " 12 + 34 - 5 ;"

assert 47 "5+6*7;"
assert 15 "5*(9-6);"
assert 4 "(3+5)/2;"

assert 10 "-10+20;"
assert 10 "-2 * -5;"
assert 10 "- -10;"
assert 10 "- - +10;"

assert 0 '0==1;'
assert 1 '42==42;'
assert 1 '0!=1;'
assert 0 '42!=42;'

assert 1 '0<1;'
assert 0 '1<1;'
assert 0 '2<1;'
assert 1 '0<=1;'
assert 1 '1<=1;'
assert 0 '2<=1;'

assert 1 '1>0;'
assert 0 '1>1;'
assert 0 '1>2;'
assert 1 '1>=0;'
assert 1 '1>=1;'
assert 0 '1>=2;'

assert 3 'a=3; a;'
assert 8 'a=3; z=5; a+z;'
assert 6 'a=b=3; a+b;'

echo OK