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-rw-r--r--testsuite/runtest.all/utils.test13
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/runtest.all/utils.test b/testsuite/runtest.all/utils.test
index 201280f..de8c809 100644
--- a/testsuite/runtest.all/utils.test
+++ b/testsuite/runtest.all/utils.test
@@ -88,6 +88,19 @@ if [info exists env(TESTRUN)] {
untested "getenv, get an environment variable"
}
+# Test unsetenv:
+#
+if [info exists env(TESTRUN)] {
+ unsetenv TESTRUN
+ if [info exists env(TESTRUN)] {
+ fail "unsetenv, unset an environment variable"
+ } else {
+ pass "unsetenv, unset an environment variable"
+ }
+} else {
+ untested "unsetenv, unset an environment variable"
+}
+
# Test 'which' using a relative path.
#
if {[which ./config.status] != 0} {