Walker: first support for brace expansion

We only support brace expansion in raw string for now. Other cases
will cause an interpreter_exception.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/walker_test.cpp b/test/walker_test.cpp
index 5a64b04..20cb00d 100644
--- a/test/walker_test.cpp
+++ b/test/walker_test.cpp
@@ -90,3 +90,13 @@ TEST(extglob, used_when_disabled)
     EXPECT_STREQ(e.what(), "Entered extended pattern matching with extglob disabled");
   }
 }
+
+TEST(brace_expansion, not_in_raw_string)
+{
+  interpreter walker;
+
+  std::string script = "echo $ab{c,d}e";
+  std::istringstream input(script);
+  bash_ast ast(input);
+  EXPECT_THROW(ast.interpret_with(walker), libbash::interpreter_exception);
+}