diff options
Diffstat (limited to 'unit-tests/cond-cmp-unary.mk')
| -rwxr-xr-x | unit-tests/cond-cmp-unary.mk | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/unit-tests/cond-cmp-unary.mk b/unit-tests/cond-cmp-unary.mk index 88ce79bf1a99..168de0f30e3f 100755 --- a/unit-tests/cond-cmp-unary.mk +++ b/unit-tests/cond-cmp-unary.mk @@ -1,4 +1,4 @@ -# $NetBSD: cond-cmp-unary.mk,v 1.1 2020/09/14 06:22:59 rillig Exp $ +# $NetBSD: cond-cmp-unary.mk,v 1.2 2020/11/11 07:30:11 rillig Exp $ # # Tests for unary comparisons in .if conditions, that is, comparisons with # a single operand. If the operand is a number, it is compared to zero, @@ -25,6 +25,9 @@ .endif # The empty string may come from a variable expression. +# +# XXX: As of 2020-11-11, this empty string is interpreted "as a number" in +# EvalNotEmpty, which is plain wrong. The bug is in TryParseNumber. .if ${:U} . error .endif @@ -40,4 +43,16 @@ . error .endif +# A string of whitespace should evaluate to false. +# +# XXX: As of 2020-11-11, the implementation in EvalNotEmpty does not skip +# whitespace before testing for the end. This was probably an oversight in +# a commit from 1992-04-15 saying "A variable is empty when it just contains +# spaces". +.if ${:U } +. info This is only reached because of a bug in EvalNotEmpty. +.else +. error +.endif + all: # nothing |