53662: tests: add extra namespace tests

relates to workers/53660

2 files changed, 20 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 162c6709b..0a0f64301 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2025-05-24  dana  <dana@dana.is>
+
+	* 53662: Test/K02parameter.ztst: add extra namespace tests
+
 2025-05-23  Mikael Magnusson  <mikachu@gmail.com>
 
 	* 53664: Doc/Zsh/params.yo: remove a slightly confusing example
diff --git a/Test/K02parameter.ztst b/Test/K02parameter.ztst
index 0b1a8dd4a..f9f434b36 100644
--- a/Test/K02parameter.ztst
+++ b/Test/K02parameter.ztst
@@ -106,11 +106,21 @@ F:Braces are required
 0:Parse without leading dot (future proofing)
 >empty test
 
+  .k02.a=b
+  k02.a=c
+  print ${.k02.a} ${k02.a}
+0:With and without leading dot are distinct
+>b c
+
   .k=OK
   print ${.k}
 0:Bare namespace is usable (ksh compatibility)
 >OK
 
+  ..k=OK
+127:Bare namespace is not usable with two dots
+?(eval):1: command not found: ..k=OK
+
   .k.=empty
 1:Namespace must precede an identifier, assignment
 ?(eval):1: not an identifier: .k.
@@ -147,6 +157,12 @@ F:Braces are required
 1:Identifier starting with a digit must be all digits, reference
 ?(eval):1: bad substitution
 
+  .n.s.k=OK
+  print ${.n.s.k}
+127:Nested namespace is not usable
+?(eval):1: command not found: .n.s.k=OK
+?(eval):2: bad substitution
+
   integer .var.d=0
   float .var.f=.2
   print $((.var.x = ++.var.d - -.var.f))