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[src/trunk]: src/usr.bin/make/unit-tests tests/make: add test for the ':?' mo...



details:   https://anonhg.NetBSD.org/src/rev/39ac81e57694
branches:  trunk
changeset: 1019585:39ac81e57694
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Mar 14 19:16:41 2021 +0000

description:
tests/make: add test for the ':?' modifier in parse-only mode

The debug output for this scenario will change a bit in an upcoming
commit, but that will not affect anything outside the debug log.

diffstat:

 usr.bin/make/unit-tests/var-eval-short.exp |  20 ++++++++++++++++++++
 usr.bin/make/unit-tests/var-eval-short.mk  |  20 +++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletions(-)

diffs (62 lines):

diff -r 7b53053b23f8 -r 39ac81e57694 usr.bin/make/unit-tests/var-eval-short.exp
--- a/usr.bin/make/unit-tests/var-eval-short.exp        Sun Mar 14 18:30:24 2021 +0000
+++ b/usr.bin/make/unit-tests/var-eval-short.exp        Sun Mar 14 19:16:41 2021 +0000
@@ -4,6 +4,26 @@
 make: "var-eval-short.mk" line 63: Malformed conditional (0 && ${:Uword:gmtime=${FAIL}})
 make: "var-eval-short.mk" line 77: Invalid time value: ${FAIL}}
 make: "var-eval-short.mk" line 77: Malformed conditional (0 && ${:Uword:localtime=${FAIL}})
+CondParser_Eval: 0 && ${0:?${FAIL}then:${FAIL}else}
+Var_Parse: ${0:?${FAIL}then:${FAIL}else} with none
+Applying ${0:?...} to "" (none, none, undefined)
+Modifier part: "${FAIL}then"
+Modifier part: "${FAIL}else"
+Result of ${0:?${FAIL}then:${FAIL}else} is "${FAIL}else" (none, none, defined)
+ParseReadLine (141): 'DEFINED= defined'
+Global:DEFINED = defined
+CondParser_Eval: 0 && ${DEFINED:L:?${FAIL}then:${FAIL}else}
+Var_Parse: ${DEFINED:L:?${FAIL}then:${FAIL}else} with none
+Applying ${DEFINED:L} to "defined" (none, none, regular)
+Result of ${DEFINED:L} is "defined" (none, none, regular)
+Applying ${DEFINED:?...} to "defined" (none, none, regular)
+Modifier part: "${FAIL}then"
+Modifier part: "${FAIL}else"
+Result of ${DEFINED:?${FAIL}then:${FAIL}else} is "${FAIL}else" (none, none, regular)
+ParseReadLine (144): '.MAKEFLAGS: -d0'
+ParseDoDependency(.MAKEFLAGS: -d0)
+Global:.MAKEFLAGS =  -r -k -d cpv -d
+Global:.MAKEFLAGS =  -r -k -d cpv -d 0
 make: Fatal errors encountered -- cannot continue
 make: stopped in unit-tests
 exit status 1
diff -r 7b53053b23f8 -r 39ac81e57694 usr.bin/make/unit-tests/var-eval-short.mk
--- a/usr.bin/make/unit-tests/var-eval-short.mk Sun Mar 14 18:30:24 2021 +0000
+++ b/usr.bin/make/unit-tests/var-eval-short.mk Sun Mar 14 19:16:41 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: var-eval-short.mk,v 1.1 2021/03/14 11:49:37 rillig Exp $
+# $NetBSD: var-eval-short.mk,v 1.2 2021/03/14 19:16:41 rillig Exp $
 #
 # Tests for each variable modifier to ensure that they only do the minimum
 # necessary computations.  If the result of the expression is not needed, they
@@ -125,4 +125,22 @@
 .if 0 && ${:Uword:word=replacement}
 .endif
 
+# Before var.c 1.XXX from 2021-03-14, Var_Parse returned "${FAIL}else" for the
+# irrelevant right-hand side of the condition, even though this was not
+# necessary.  Since the return value from Var_Parse is supposed to be ignored
+# anyway, and since it is actually ignored in an overly complicated way,
+# an empty string suffices.
+.MAKEFLAGS: -dcpv
+.if 0 && ${0:?${FAIL}then:${FAIL}else}
+.endif
+
+# The ':L' is applied before the ':?' modifier, giving the expression a name
+# and a value, just to see whether this value gets passed through or whether
+# the parse-only mode results in an empty string (only visible in the debug
+# log).
+DEFINED=       defined
+.if 0 && ${DEFINED:L:?${FAIL}then:${FAIL}else}
+.endif
+.MAKEFLAGS: -d0
+
 all:



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