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#!/bin/bash -e
#
# Script for running all of the automated which will go from source to binary,
# to source to binary, and compare the two binaries.
# These tests won't find symmetrical errors (e.g. incorrectly translating 'add'
# into the wrong opcode, and that same opcode back to 'add'), but provide some
# level of confidence that the disassembler and assembler at least have parity.
# Checking lower level things is the job of other tests.
#
fail() {
echo -e '[\e[1;31mFAIL\e[0m] '"$1:" "$2"
}
pass() {
echo -e '[\e[1;32mPASS\e[0m] '"$1"
}
clean() {
echo "Removing work dir $WORK"
rm -r "$WORK"
}
if [ "$1" == "noclean" ]; then
NO_CLEAN=1
else
NO_CLEAN=0
fi
WORK=$(mktemp -d)
pushd $(dirname "$0") >/dev/null
export ASM="$PWD/../../assembler"
export DISASM="$PWD/../../disassembler"
has_failure=0
for first_stage_asm in *.asm ; do
first_stage_bin="$WORK/${first_stage_asm}-first_stage.bin"
second_stage_asm="$WORK/${first_stage_asm}-second_stage.asm"
second_stage_bin="$WORK/${first_stage_asm}-second_stage.bin"
# Assemble test code
if ! "$ASM" "$first_stage_asm" "$first_stage_bin" ; then
fail "$first_stage_asm" "first stage assembly failed"
continue
fi
# Disassemble test code and re-assemble that disassembly
if ! "$DISASM" "$first_stage_bin" "$second_stage_asm" ; then
fail "$first_stage_asm" "first stage disassembly failed"
continue
fi
if ! "$ASM" "$second_stage_asm" "$second_stage_bin" ; then
fail "$first_stage_asm" "second stage assembly failed"
continue
fi
# first stage bin and second stage identical for test pass
if diff "$first_stage_bin" "$second_stage_bin" >/dev/null; then
pass "$first_stage_asm"
else
fail "$first_stage_asm" "binary mismatch"
has_failure=1
fi
done
popd >/dev/null
if [[ "$failure" != "0" && "$NO_CLEAN" == "1" ]] ; then
echo "Warning: Leaving work dir $WORK in place. Please remove this yourself"
else
clean
fi
exit "$has_failure"
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