1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/actions/CustomCommandLineTest.java b/src/test/java/com/google/devtools/build/lib/actions/CustomCommandLineTest.java
index d94780f2ff..a61790d645 100644
--- a/src/test/java/com/google/devtools/build/lib/actions/CustomCommandLineTest.java
+++ b/src/test/java/com/google/devtools/build/lib/actions/CustomCommandLineTest.java
@@ -69,6 +69,13 @@ public class CustomCommandLineTest {
   }
 
   @Test
+  public void testArtifactJoinStringArgs() {
+    CustomCommandLine cl = CustomCommandLine.builder().addJoinStrings("--path", ":",
+        ImmutableList.of("foo", "bar")).build();
+    assertEquals(ImmutableList.of("--path", "foo:bar"), cl.arguments());
+  }
+
+  @Test
   public void testArtifactExecPathArgs() {
     CustomCommandLine cl = CustomCommandLine.builder().addExecPath("--path", artifact1).build();
     assertEquals(ImmutableList.of("--path", "dir/file1.txt"), cl.arguments());