arith.t

一个开放源代码的 AT&T 的 Korn Shell 的复制品, 支持大多数 ksh89 的特性。

name: arith-lazy-1
description:
	Check that only one side of ternary operator is evaluated
stdin:
	x=i+=2
	y=j+=2
	typeset -i i=1 j=1
	echo $((1 ? 20 : (x+=2)))
	echo $i,$x
	echo $((0 ? (y+=2) : 30))
	echo $j,$y
expected-stdout:
	20
	1,i+=2
	30
	1,j+=2
---

name: arith-lazy-2
description:
	Check that assignments not done on non-evaluated side of ternary
	operator
stdin:
	x=i+=2
	y=j+=2
	typeset -i i=1 j=1
	echo $((1 ? 20 : (x+=2)))
	echo $i,$x
	echo $((0 ? (y+=2) : 30))
	echo $i,$y
expected-stdout:
	20
	1,i+=2
	30
	1,j+=2
---

name: arith-ternary-prec-1
description:
	Check precidance of ternary operator vs assignment
stdin:
	typeset -i x=2
	y=$((1 ? 20 : x+=2))
expected-exit: e != 0
expected-stderr-pattern:
	/.*:.*1 \? 20 : x\+=2.*lvalue.*\n$/
---

name: arith-ternary-prec-2
description:
	Check precidance of ternary operator vs assignment
stdin:
	typeset -i x=2
	echo $((0 ? x+=2 : 20))
expected-stdout:
	20
---

name: arith-div-assoc-1
description:
	Check associativity of division operator
stdin:
	echo $((20 / 2 / 2))
expected-stdout:
	5
---

name: arith-assop-assoc-1
description:
	Check associativity of assignment-operator operator
stdin:
	typeset -i i=1 j=2 k=3
	echo $((i += j += k))
	echo $i,$j,$k
expected-stdout:
	6
	6,5,3
---