4 files changed, 44 insertions, 0 deletions
diff --git a/src/tests/config/conf.d/00-overrides.conf b/src/tests/config/conf.d/00-overrides.conf
index 0c246a02a4..cb0116edd8 100644
--- a/src/tests/config/conf.d/00-overrides.conf
+++ b/src/tests/config/conf.d/00-overrides.conf
@@ -31,3 +31,20 @@ ord.key07=B-1.3.07
 ord.key08=B-1.3.08
 ord.key09=B-1.3.09
 
+
+[append]
+val1=a,b
+
+val2-=VAL2
+val2=VAL2
+
+val3=VAL3
+val3-=VAL3
+
+val4=VAL4
+val4+=VAL4,va,vb,va,vb
+val4-=VAL4,va
+
+val5=VAL5
+val5-=VAL5
+val5+=VAL5
diff --git a/src/tests/config/conf.d/10-more.conf b/src/tests/config/conf.d/10-more.conf
index 08b73ddfdc..a1959c1948 100644
--- a/src/tests/config/conf.d/10-more.conf
+++ b/src/tests/config/conf.d/10-more.conf
@@ -27,3 +27,7 @@ ord.key09=C-2.3.09
 # low priority and is shadowed by [connection.ord.2.1].
 [connection.ord.0.1]
 ord.ovw01=C-0.1.ovw01
+
+
+[append]
+val1-=b
diff --git a/src/tests/config/conf.d/90-last.conf b/src/tests/config/conf.d/90-last.conf
index dc1de394f1..c75dcc4710 100644
--- a/src/tests/config/conf.d/90-last.conf
+++ b/src/tests/config/conf.d/90-last.conf
@@ -3,3 +3,6 @@ plugins+=one,two
 
 [order]
 a=90
+
+[append]
+val1+=c,a
diff --git a/src/tests/config/test-config.c b/src/tests/config/test-config.c
index 9057f26850..8c4043cf51 100644
--- a/src/tests/config/test-config.c
+++ b/src/tests/config/test-config.c
@@ -341,6 +341,26 @@ test_config_confdir (void)
 	ASSERT_GET_CONN_DEFAULT (config, "ord.key09", "C-2.1.09");
 	ASSERT_GET_CONN_DEFAULT (config, "ord.ovw01", "C-0.1.ovw01");
 
+	value = nm_config_data_get_value (nm_config_get_data_orig (config), "append", "val1", NULL);
+	g_assert_cmpstr (value, ==, "a,c");
+	g_free (value);
+
+	value = nm_config_data_get_value (nm_config_get_data_orig (config), "append", "val2", NULL);
+	g_assert_cmpstr (value, ==, "VAL2");
+	g_free (value);
+
+	value = nm_config_data_get_value (nm_config_get_data_orig (config), "append", "val3", NULL);
+	g_assert_cmpstr (value, ==, NULL);
+	g_free (value);
+
+	value = nm_config_data_get_value (nm_config_get_data_orig (config), "append", "val4", NULL);
+	g_assert_cmpstr (value, ==, "vb,vb");
+	g_free (value);
+
+	value = nm_config_data_get_value (nm_config_get_data_orig (config), "append", "val5", NULL);
+	g_assert_cmpstr (value, ==, "VAL5");
+	g_free (value);
+
 	g_object_unref (config);
 }