exit 1
fi
+test_set_prereq HAVETHIS
+haveit=no
+test_expect_success HAVETHIS,HAVEIT 'test runs if prerequisites are satisfied' '
+ test_have_prereq HAVEIT &&
+ test_have_prereq HAVETHIS &&
+ haveit=yes
+'
+donthaveit=yes
+test_expect_success HAVEIT,DONTHAVEIT 'unmet prerequisites causes test to be skipped' '
+ donthaveit=no
+'
+donthaveiteither=yes
+test_expect_success DONTHAVEIT,HAVEIT 'unmet prerequisites causes test to be skipped' '
+ donthaveiteither=no
+'
+if test $haveit$donthaveit$donthaveiteither != yesyesyes
+then
+ say "bug in test framework: multiple prerequisite tags do not work reliably"
+ exit 1
+fi
+
+clean=no
+test_expect_success 'tests clean up after themselves' '
+ test_when_finished clean=yes
+'
+
+cleaner=no
+test_expect_code 1 'tests clean up even after a failure' '
+ test_when_finished cleaner=yes &&
+ (exit 1)
+'
+
+if test $clean$cleaner != yesyes
+then
+ say "bug in test framework: cleanup commands do not work reliably"
+ exit 1
+fi
+
+test_expect_code 2 'failure to clean up causes the test to fail' '
+ test_when_finished "(exit 2)"
+'
+
################################################################
# Basics of the basics