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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/arith.tests | |
parent | Initial commit. (diff) | |
download | bash-89791e9f494bebe33a9c52292a98f4f079926078.tar.xz bash-89791e9f494bebe33a9c52292a98f4f079926078.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/arith.tests')
-rw-r--r-- | tests/arith.tests | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/tests/arith.tests b/tests/arith.tests new file mode 100644 index 0000000..bc9490e --- /dev/null +++ b/tests/arith.tests @@ -0,0 +1,318 @@ +set +o posix +declare -i iv jv + +iv=$(( 3 + 5 * 32 )) +echo $iv +iv=iv+3 +echo $iv +iv=2 +jv=iv + +let "jv *= 2" +echo $jv +jv=$(( $jv << 2 )) +echo $jv + +let jv="$jv / 2" +echo $jv +jv="jv >> 2" +echo $jv + +iv=$((iv+ $jv)) +echo $iv +echo $((iv -= jv)) +echo $iv +echo $(( iv == jv )) +echo $(( iv != $jv )) +echo $(( iv < jv )) +echo $(( $iv > $jv )) +echo $(( iv <= $jv )) +echo $(( $iv >= jv )) + +echo $jv +echo $(( ~$jv )) +echo $(( ~1 )) +echo $(( ! 0 )) + +echo $(( jv % 2 )) +echo $(( $iv % 4 )) + +echo $(( iv <<= 16 )) +echo $(( iv %= 33 )) + +echo $(( 33 & 55 )) +echo $(( 33 | 17 )) + +echo $(( iv && $jv )) +echo $(( $iv || jv )) + +echo $(( iv && 0 )) +echo $(( iv & 0 )) +echo $(( iv && 1 )) +echo $(( iv & 1 )) + +echo $(( $jv || 0 )) +echo $(( jv | 0 )) +echo $(( jv | 1 )) +echo $(( $jv || 1 )) + +let 'iv *= jv' +echo $iv +echo $jv +let "jv += $iv" +echo $jv + +echo $(( jv /= iv )) +echo $(( jv <<= 8 )) +echo $(( jv >>= 4 )) + +echo $(( iv |= 4 )) +echo $(( iv &= 4 )) + +echo $(( iv += (jv + 9))) +echo $(( (iv + 4) % 7 )) + +# unary plus, minus +echo $(( +4 - 8 )) +echo $(( -4 + 8 )) + +# conditional expressions +echo $(( 4<5 ? 1 : 32)) +echo $(( 4>5 ? 1 : 32)) +echo $(( 4>(2+3) ? 1 : 32)) +echo $(( 4<(2+3) ? 1 : 32)) +echo $(( (2+2)<(2+3) ? 1 : 32)) +echo $(( (2+2)>(2+3) ? 1 : 32)) + +# bug in bash versions through bash-3.2 +S=105 +W=$((S>99?4:S>9?3:S>0?2:0)) +echo $W +unset W S + +# check that the unevaluated part of the ternary operator does not do +# evaluation or assignment +x=i+=2 +y=j+=2 +declare -i i=1 j=1 +echo $((1 ? 20 : (x+=2))) +echo $i,$x +echo $((0 ? (y+=2) : 30)) +echo $j,$y + +x=i+=2 +y=j+=2 +declare -i i=1 j=1 +echo $((1 ? 20 : (x+=2))) +echo $i,$x +echo $((0 ? (y+=2) : 30)) +echo $i,$y + +# check precedence of assignment vs. conditional operator +# should be an error +declare -i x=2 +y=$((1 ? 20 : x+=2)) + +# check precedence of assignment vs. conditional operator +declare -i x=2 +echo $((0 ? x+=2 : 20)) + +# associativity of assignment-operator operator +declare -i i=1 j=2 k=3 +echo $((i += j += k)) +echo $i,$j,$k + +# octal, hex +echo $(( 0x100 | 007 )) +echo $(( 0xff )) +echo $(( 16#ff )) +echo $(( 16#FF/2 )) +echo $(( 8#44 )) + +echo $(( 8 ^ 32 )) + +# other bases +echo $(( 16#a )) +echo $(( 32#a )) +echo $(( 56#a )) +echo $(( 64#a )) + +echo $(( 16#A )) +echo $(( 32#A )) +echo $(( 56#A )) +echo $(( 64#A )) + +echo $(( 64#@ )) +echo $(( 64#_ )) + +# weird bases +echo $(( 3425#56 )) + +# missing number after base +echo $(( 2# )) + +# these should generate errors +echo $(( 7 = 43 )) +echo $(( 2#44 )) +echo $(( 44 / 0 )) +let 'jv += $iv' +echo $(( jv += \$iv )) +let 'rv = 7 + (43 * 6' + +# more errors +declare -i i +i=0#4 +i=2#110#11 + +((echo abc; echo def;); echo ghi) + +if (((4+4) + (4 + 7))); then + echo ok +fi + +(()) # make sure the null expression works OK + +a=(0 2 4 6) +echo $(( a[1] + a[2] )) +echo $(( (a[1] + a[2]) == a[3] )) +(( (a[1] + a[2]) == a[3] )) ; echo $? + +# test pushing and popping the expression stack +unset A +A="4 + " +echo $(( ( 4 + A ) + 4 )) +A="3 + 5" +echo $(( ( 4 + A ) + 4 )) + +# badly-formed conditional expressions +echo $(( 4 ? : $A )) +echo $(( 1 ? 20 )) +echo $(( 4 ? 20 : )) + +# precedence and short-circuit evaluation +B=9 +echo $B + +echo $(( 0 && B=42 )) +echo $B + +echo $(( 1 || B=88 )) +echo $B + +echo $(( 0 && (B=42) )) +echo $B + +echo $(( (${$} - $$) && (B=42) )) +echo $B + +echo $(( 1 || (B=88) )) +echo $B + +# until command with (( )) command +x=7 + +echo $x +until (( x == 4 )) +do + echo $x + x=4 +done + +echo $x + +# exponentiation +echo $(( 2**15 - 1)) +echo $(( 2**(16-1))) +echo $(( 2**16*2 )) +echo $(( 2**31-1)) +echo $(( 2**0 )) + +# {pre,post}-{inc,dec}rement and associated errors + +x=4 + +echo $x +echo $(( x++ )) +echo $x +echo $(( x-- )) +echo $x + +echo $(( --x )) +echo $x + +echo $(( ++x )) +echo $x + +echo $(( ++7 )) +echo $(( 7-- )) + +echo $(( --x=7 )) +echo $(( ++x=7 )) + +echo $(( x++=7 )) +echo $(( x--=7 )) + +echo $x + +echo $(( +7 )) +echo $(( -7 )) + +echo $(( ++7 )) +echo $(( --7 )) + +# combinations of expansions +echo $(( "`echo 1+1`" )) +echo $(( `echo 1+1` )) + +${THIS_SH} ./arith1.sub +${THIS_SH} ./arith2.sub +${THIS_SH} ./arith3.sub +${THIS_SH} ./arith4.sub + +# make sure arithmetic expansion handles ints > 2**31 - 1 using intmax_t +echo $(( 2147483645 + 4 )) + +# other tests using INTMAX_MIN and INTMAX_MAX that cause exceptions if not +# handled correctly -- problem through bash-4.2 +${THIS_SH} ./arith5.sub + +# problems with suppressing evaluation present through bash-4.2 +${THIS_SH} ./arith6.sub + +# problems with parsing arithmetic expressions containing colons that are +# part of word expansions such as substring extraction +${THIS_SH} ./arith7.sub + +# problems with evaluation of conditional expressions +${THIS_SH} ./arith8.sub + +x=4 +y=7 + +(( x=8 , y=12 )) + +echo $x $y + +# should be an error +(( x=9 y=41 )) + +# These are errors +unset b +echo $((a b)) +((a b)) + +n=42 +printf "%d\n" $n +printf "%i\n" $n +echo $(( 8#$(printf "%o\n" $n) )) +printf "%u\n" $n +echo $(( 16#$(printf "%x\n" $n) )) +echo $(( 16#$(printf "%X\n" $n) )) + +# these are errors +foo=1 +echo $(( 'foo' )) + + +# causes longjmp botches through bash-2.05b +a[b[c]d]=e |