1 files changed, 45 insertions, 0 deletions
diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index f11a40811f..f593c53687 100755
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -658,6 +658,17 @@ test_expect_success 'init warns about invalid init.defaultRefFormat' '
 	test_cmp expected actual
 '
 
+test_expect_success 'default ref format' '
+	test_when_finished "rm -rf refformat" &&
+	(
+		sane_unset GIT_DEFAULT_REF_FORMAT &&
+		git init refformat
+	) &&
+	git version --build-options | sed -ne "s/^default-ref-format: //p" >expect &&
+	git -C refformat rev-parse --show-ref-format >actual &&
+	test_cmp expect actual
+'
+
 backends="files reftable"
 for format in $backends
 do
@@ -738,6 +749,40 @@ test_expect_success "GIT_DEFAULT_REF_FORMAT= overrides init.defaultRefFormat" '
 	test_cmp expect actual
 '
 
+test_expect_success "init with feature.experimental=true" '
+	test_when_finished "rm -rf refformat" &&
+	test_config_global feature.experimental true &&
+	(
+		sane_unset GIT_DEFAULT_REF_FORMAT &&
+		git init refformat
+	) &&
+	echo reftable >expect &&
+	git -C refformat rev-parse --show-ref-format >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success "init.defaultRefFormat overrides feature.experimental=true" '
+	test_when_finished "rm -rf refformat" &&
+	test_config_global feature.experimental true &&
+	test_config_global init.defaultRefFormat files &&
+	(
+		sane_unset GIT_DEFAULT_REF_FORMAT &&
+		git init refformat
+	) &&
+	echo files >expect &&
+	git -C refformat rev-parse --show-ref-format >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success "GIT_DEFAULT_REF_FORMAT= overrides feature.experimental=true" '
+	test_when_finished "rm -rf refformat" &&
+	test_config_global feature.experimental true &&
+	GIT_DEFAULT_REF_FORMAT=files git init refformat &&
+	echo files >expect &&
+	git -C refformat rev-parse --show-ref-format >actual &&
+	test_cmp expect actual
+'
+
 for from_format in $backends
 do
 	test_expect_success "re-init with same format ($from_format)" '