#!/bin/sh
# Build and test (in emulated mode) all included SubX programs.
# If running on a 32-bit machine, also compare generated binaries. (64-bit introduces discrepancies.)
# If running on Linux, also test natively.

set -e
cd `dirname $0`

test `uname` = 'Linux'  &&  echo 'testing native runs as well'

echo ex1
CFLAGS=-g ./subx translate examples/ex1.subx  -o examples/ex1
git diff --quiet examples/ex1
CFLAGS=-g ./subx run examples/ex1  ||  ret=$?
test $ret -eq 42  # life, the universe and everything
test `uname` = 'Linux'  &&  {
  examples/ex1  ||  ret=$?
  test $ret -eq 42  # life, the universe and everything
}

echo ex2
CFLAGS=-g ./subx translate examples/ex2.subx  -o examples/ex2
git diff --quiet examples/ex2
CFLAGS=-g ./subx run examples/ex2  ||  ret=$?
test $ret -eq 2  # 1 + 1
test `uname` = 'Linux'  &&  {
  examples/ex2  ||  ret=$?
  test $ret -eq 2  # 1 + 1
}

echo ex3
CFLAGS=-g ./subx translate examples/ex3.subx  -o examples/ex3
git diff --quiet examples/ex3
CFLAGS=-g ./subx run examples/ex3  ||  ret=$?
test $ret -eq 55  # 1 + 2 + ... + 10
test `uname` = 'Linux'  &&  {
  examples/ex3  ||  ret=$?
  test $ret -eq 55  # 1 + 2 + ... + 10
}

echo ex4
CFLAGS=-g ./subx translate examples/ex4.subx  -o examples/ex4
git diff --quiet examples/ex4
echo a | CFLAGS=-g ./subx run examples/ex4 >ex4.out  ||  true
test `cat ex4.out` = 'a'
test `uname` = 'Linux'  &&  {
  echo a | examples/ex4 >ex4.out  ||  true
  test `cat ex4.out` = 'a'
}

echo ex5
CFLAGS=-g ./subx translate examples/ex5.subx  -o examples/ex5
git diff --quiet examples/ex5
echo a | CFLAGS=-g ./subx run examples/ex5 >ex5.out  ||  true
test `cat ex5.out` = 'a'
test `uname` = 'Linux'  &&  {
  echo a | examples/ex5 >ex5.out  ||  true
  test `cat ex5.out` = 'a'
}

echo ex6
CFLAGS=-g ./subx translate examples/ex6.subx  -o examples/ex6
git diff --quiet examples/ex6
CFLAGS=-g ./subx run examples/ex6 >ex6.out  ||  true
test "`cat ex6.out`" = 'Hello, world!'
test `uname` = 'Linux'  &&  {
  examples/ex6 >ex6.out  ||  true
  test "`cat ex6.out`" = 'Hello, world!'
}

echo ex7
CFLAGS=-g ./subx translate examples/ex7.subx  -o examples/ex7
git diff --quiet examples/ex7
CFLAGS=-g ./subx run examples/ex7  ||  ret=$?
test $ret -eq 97  # 'a'
test `uname` = 'Linux'  &&  {
  examples/ex7  ||  ret=$?
  test $ret -eq 97  # 'a'
}

echo ex8
CFLAGS=-g ./subx translate examples/ex8.subx  -o examples/ex8
git diff --quiet examples/ex8
CFLAGS=-g ./subx run examples/ex8 abcd  ||  ret=$?
test $ret -eq 4  # length('abcd')
test `uname` = 'Linux'  &&  {
  examples/ex8 abcd  ||  ret=$?
  test $ret -eq 4  # length('abcd')
}

echo ex9
CFLAGS=-g ./subx translate examples/ex9.subx  -o examples/ex9
git diff --quiet examples/ex9
CFLAGS=-g ./subx run examples/ex9 z x  ||  ret=$?
test $ret -eq 2  # 'z' - 'x'
test `uname` = 'Linux'  &&  {
  examples/ex9 z x  ||  ret=$?
  test $ret -eq 2  # 'z' - 'x'
}

echo ex10
CFLAGS=-g ./subx translate examples/ex10.subx  -o examples/ex10
git diff --quiet examples/ex10
CFLAGS=-g ./subx run examples/ex10 abc abc  ||  ret=$?
test $ret -eq 1  # equal
CFLAGS=-g ./subx run examples/ex10 abc abcd  # 0; not equal
test `uname` = 'Linux'  &&  {
  examples/ex10 abc abc  ||  ret=$?
  test $ret -eq 1  # equal
  examples/ex10 abc abcd  # 0; not equal
}

echo ex11
CFLAGS=-g ./subx translate examples/ex11.subx  -o examples/ex11
git diff --quiet examples/ex11
CFLAGS=-g ./subx run examples/ex11
echo
test `uname` = 'Linux'  &&  {
  examples/ex11
  echo
}

echo ex12
CFLAGS=-g ./subx translate examples/ex12.subx  -o examples/ex12
git diff --quiet examples/ex12
CFLAGS=-g ./subx run examples/ex12  # final byte of mmap'd address is well-nigh guaranteed to be 0
test `uname` = 'Linux'  &&  examples/ex12

echo factorial
CFLAGS=-g ./subx translate *.subx apps/factorial.subx  -o apps/factorial
[ "$1" != record ]  &&  git diff --quiet apps/factorial
CFLAGS=-g ./subx run apps/factorial  ||  ret=$?
test $ret -eq 120  # factorial(5)
CFLAGS=-g ./subx run apps/factorial test
echo
test `uname` = 'Linux'  &&  {
  apps/factorial  ||  ret=$?
  test $ret -eq 120  # factorial(5)
  apps/factorial test
  echo
}

echo crenshaw2-1
CFLAGS=-g ./subx translate *.subx apps/crenshaw2-1.subx  -o apps/crenshaw2-1
[ "$1" != record ]  &&  git diff --quiet apps/crenshaw2-1
CFLAGS=-g ./subx run apps/crenshaw2-1 2>crenshaw2-1.out  ||  true
test "`cat crenshaw2-1.out`" = 'Error: integer expected'
test `uname` = 'Linux'  &&  {
  apps/crenshaw2-1 2>crenshaw2-1.out  ||  true
  test "`cat crenshaw2-1.out`" = 'Error: integer expected'
}

exit 0
