diff options
Diffstat (limited to 'contrib/bmake/unit-tests/cond-token-number.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/cond-token-number.mk | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/contrib/bmake/unit-tests/cond-token-number.mk b/contrib/bmake/unit-tests/cond-token-number.mk index eef528f4b7c6..7e73f8b76f94 100644 --- a/contrib/bmake/unit-tests/cond-token-number.mk +++ b/contrib/bmake/unit-tests/cond-token-number.mk @@ -1,4 +1,4 @@ -# $NetBSD: cond-token-number.mk,v 1.7 2022/01/02 02:57:39 rillig Exp $ +# $NetBSD: cond-token-number.mk,v 1.10 2023/11/19 21:47:52 rillig Exp $ # # Tests for number tokens in .if conditions. # @@ -12,6 +12,7 @@ # accepted by the condition parser. # # See the ch_isdigit call in CondParser_String. +# expect+1: Malformed conditional (-0) .if -0 . error .else @@ -22,6 +23,7 @@ # accepted by the condition parser. # # See the ch_isdigit call in CondParser_String. +# expect+1: Malformed conditional (+0) .if +0 . error .else @@ -32,6 +34,7 @@ # accepted by the condition parser. # # See the ch_isdigit call in CondParser_String. +# expect+1: Malformed conditional (!-1) .if !-1 . error .else @@ -42,19 +45,20 @@ # accepted by the condition parser. # # See the ch_isdigit call in CondParser_String. +# expect+1: Malformed conditional (!+1) .if !+1 . error .else . error .endif -# When the number comes from a variable expression though, it may be signed. +# When the number comes from an expression though, it may be signed. # XXX: This is inconsistent. .if ${:U+0} . error .endif -# When the number comes from a variable expression though, it may be signed. +# When the number comes from an expression though, it may be signed. # XXX: This is inconsistent. .if !${:U+1} . error @@ -85,7 +89,21 @@ HEX= dead . error .endif -# Ensure that parsing continues until here. -.info End of the tests. +# Very small numbers round to 0. +.if 12345e-400 +. error +.endif +.if 12345e-200 +.else +. error +.endif + +# Very large numbers round up to infinity on IEEE 754 implementations, or to +# the largest representable number (VAX); in particular, make does not fall +# back to checking whether a variable of that name is defined. +.if 12345e400 +.else +. error +.endif -all: # nothing +all: |