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projects/06/test/run-tests.sh

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#!/bin/sh

# tests for project 6 - assembler

script_location="$(dirname "$0")"
now="$(date +%s)"
test_dir="out-$now"

tests_setup() {
    cd "$script_location"  # cd to script's containing directory so paths work
    mkdir -p "$test_dir"
    echo "Test setup complete."
}

tests_teardown() {
    rm -f "$test_dir"/*
    rmdir "$test_dir"
}

# $1 - first file, $2 - second file
assert_files_equal() {
    files_diff="$(diff "$1" "$2")"
    if [ "$files_diff" = "" ]; then
        echo "PASS"
    else
        echo "FAIL"
        #echo -e "---------------- diff output: ----------------\n$files_diff"
        echo -e "---------------- diff output: ----------------\ndiff $1 $2"
        echo -e "$files_diff"
    fi
}

# $1 - path/to/assembler executable, $2 - input assembly file,
# $3 - output file, $4 - test vector file (known correct output)
run_test_compare_out() {
    "$1" "$2" "$3"                # run program w/ test args
    assert_files_equal "$3" "$4"  # ensure file contents are the same
}

# $1 - path/to/assembler executable
run_tests() {
    echo "Testing under assembler $1"

    # test calls below (comment to disable individual unit tests)
    echo "================ Testing Add.asm (no symbols) ================="
    run_test_compare_out "$1" add/Add.asm "$test_dir"/Add.hack add/Add.hack
    echo "================ Testing MaxL.asm (no symbols) ================="
    run_test_compare_out "$1" max/MaxL.asm "$test_dir"/MaxL.hack max/MaxL.hack
    echo "================ Testing Max.asm ================="
    run_test_compare_out "$1" max/Max.asm "$test_dir"/Max.hack max/Max.hack
    echo "================ Testing Rect.asm ================="
    run_test_compare_out "$1" rect/Rect.asm "$test_dir"/Rect.hack rect/Rect.hack
    echo "================ Testing RectL.asm (no symbols) ================="
    run_test_compare_out "$1" rect/RectL.asm "$test_dir"/RectL.hack rect/RectL.hack
    echo "================ Testing Pong.asm ================="
    run_test_compare_out "$1" pong/Pong.asm "$test_dir"/Pong.hack pong/Pong.hack
    echo "================ Testing PongL.asm (no symbols) ================="
    run_test_compare_out "$1" pong/PongL.asm "$test_dir"/PongL.hack pong/PongL.hack
}


tests_setup

# for each assembler executable
run_tests ../bin/n2tasm1
#run_tests ../bin/n2tasm2
echo "=============================================="
tests_teardown