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-rwxr-xr-xt/t0000-basic.sh32
-rw-r--r--t/test-lib-functions.sh21
2 files changed, 52 insertions, 1 deletions
diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index 08677df10e..562cf41cad 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -115,6 +115,38 @@ then
exit 1
fi
+test_lazy_prereq LAZY_TRUE true
+havetrue=no
+test_expect_success LAZY_TRUE 'test runs if lazy prereq is satisfied' '
+ havetrue=yes
+'
+donthavetrue=yes
+test_expect_success !LAZY_TRUE 'missing lazy prereqs skip tests' '
+ donthavetrue=no
+'
+
+if test "$havetrue$donthavetrue" != yesyes
+then
+ say 'bug in test framework: lazy prerequisites do not work'
+ exit 1
+fi
+
+test_lazy_prereq LAZY_FALSE false
+nothavefalse=no
+test_expect_success !LAZY_FALSE 'negative lazy prereqs checked' '
+ nothavefalse=yes
+'
+havefalse=yes
+test_expect_success LAZY_FALSE 'missing negative lazy prereqs will skip' '
+ havefalse=no
+'
+
+if test "$nothavefalse$havefalse" != yesyes
+then
+ say 'bug in test framework: negative lazy prerequisites do not work'
+ exit 1
+fi
+
clean=no
test_expect_success 'tests clean up after themselves' '
test_when_finished clean=yes
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 8889ba5104..22a4f8fb64 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -275,6 +275,15 @@ test_have_prereq () {
for prerequisite
do
+ case "$prerequisite" in
+ !*)
+ negative_prereq=t
+ prerequisite=${prerequisite#!}
+ ;;
+ *)
+ negative_prereq=
+ esac
+
case " $lazily_tested_prereq " in
*" $prerequisite "*)
;;
@@ -294,10 +303,20 @@ test_have_prereq () {
total_prereq=$(($total_prereq + 1))
case "$satisfied_prereq" in
*" $prerequisite "*)
+ satisfied_this_prereq=t
+ ;;
+ *)
+ satisfied_this_prereq=
+ esac
+
+ case "$satisfied_this_prereq,$negative_prereq" in
+ t,|,t)
ok_prereq=$(($ok_prereq + 1))
;;
*)
- # Keep a list of missing prerequisites
+ # Keep a list of missing prerequisites; restore
+ # the negative marker if necessary.
+ prerequisite=${negative_prereq:+!}$prerequisite
if test -z "$missing_prereq"
then
missing_prereq=$prerequisite