1 files changed, 12 insertions, 8 deletions
diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig
index 5d08a77f..42b88b91 100644
--- a/src/ninep/ctl.zig
+++ b/src/ninep/ctl.zig
@@ -3234,19 +3234,23 @@ test "a tag write refuses NUL and the other control characters" {
     }
 }
 
-test "a malformed address is bad address syntax, on a terminal as on a text" {
+test "a malformed address is bad address syntax; on a pane with no text any address is refused as nothing to address" {
     const p = try th.withTerm(testing.allocator);
     defer p.deinit();
     const t = try withFile(testing.allocator, "one\n");
     defer t.deinit();
-    for ([_]*pardes.Pardes{ p, t }) |q| {
-        for ([_][]const u8{ "1x", "/(/", ",,x" }) |expr| {
-            const refused = wr(q, Node.of(serialOf(q), .addr), expr);
-            try testing.expectEqual(E.INVAL, refused.errno());
-            try testing.expect(refused.reply.ename.len > 0);
-        }
-        try testing.expectEqualStrings("bad address syntax", wr(q, Node.of(serialOf(q), .addr), "1x").reply.ename);
+    for ([_][]const u8{ "1x", "/(/", ",,x" }) |expr| {
+        const refused = wr(t, Node.of(serialOf(t), .addr), expr);
+        try testing.expectEqual(E.INVAL, refused.errno());
+        try testing.expect(refused.reply.ename.len > 0);
     }
+    try testing.expectEqualStrings("bad address syntax", wr(t, Node.of(serialOf(t), .addr), "1x").reply.ename);
+    // A terminal (as an image or a PDF): addr, dot and limit alike.
+    for ([_]tree.PaneFile{ .addr, .dot, .limit }) |file| for ([_][]const u8{ "1", "1x" }) |expr| {
+        const refused = wr(p, Node.of(serialOf(p), file), expr);
+        try testing.expectEqual(E.INVAL, refused.errno());
+        try testing.expectEqualStrings("this pane has no text to address", refused.reply.ename);
+    };
 }
 
 test "a bad event record says what is wrong with it" {