Add missing indent rule for c-ts-mode

* lisp/progmodes/c-ts-mode.el (c-ts-mode--indent-styles): New rule for case.
* test/lisp/progmodes/c-ts-mode-resources/indent.erts: New test.

2 files changed, 32 insertions, 0 deletions

diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
index 659db46dc12..f70869c10bb 100644
--- a/lisp/progmodes/c-ts-mode.el
+++ b/lisp/progmodes/c-ts-mode.el
@@ -434,6 +434,8 @@ MODE is either `c' or `cpp'."
            ((parent-is "while_statement") standalone-parent c-ts-mode-indent-offset)
            ((parent-is "do_statement") standalone-parent c-ts-mode-indent-offset)
 
+           ((parent-is "case_statement") standalone-parent c-ts-mode-indent-offset)
+
            ,@(when (eq mode 'cpp)
                `(((node-is "field_initializer_list") parent-bol ,(* c-ts-mode-indent-offset 2)))))))
     `((gnu
diff --git a/test/lisp/progmodes/c-ts-mode-resources/indent.erts b/test/lisp/progmodes/c-ts-mode-resources/indent.erts
index 9e28ef203fd..5cdefe2122c 100644
--- a/test/lisp/progmodes/c-ts-mode-resources/indent.erts
+++ b/test/lisp/progmodes/c-ts-mode-resources/indent.erts
@@ -188,6 +188,36 @@ int main()
 }
 =-=-=
 
+Name: Switch-Case statement
+
+=-=
+int main() {
+switch (a) {
+case 1:
+b = c;
+return 10;
+case 2:
+{
+a = b;
+return 12
+}
+}
+}
+=-=
+int main() {
+  switch (a) {
+  case 1:
+    b = c;
+    return 10;
+  case 2:
+    {
+      a = b;
+      return 12
+    }
+  }
+}
+=-=-=
+
 Name: Multiline Block Comments 1 (bug#60270)
 
 =-=