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Diffstat (limited to 'tests/arith.tests')
| -rw-r--r-- | tests/arith.tests | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/arith.tests b/tests/arith.tests index 6bad3125..5f6298ca 100644 --- a/tests/arith.tests +++ b/tests/arith.tests @@ -1,3 +1,4 @@ +set +o posix declare -i iv jv iv=$(( 3 + 5 * 32 )) @@ -156,3 +157,59 @@ let 'rv = 7 + (43 * 6' 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 |