refactor: tests: add remaining tests with one command and arguments (#1615)

Author: kkysen

c2rust-refactor/tests/bitcast_retype/run.sh

@@ -216,6 +216,13 @@ fn test_refactor(
 
 // NOTE: Tests should be listed in alphabetical order.
 
+#[test]
+fn test_bitcast_retype() {
+    refactor("bitcast_retype")
+        .command_args(&["i32", "u32"])
+        .test();
+}
+
 #[test]
 fn test_convert_exits() {
     refactor("convert_exits").test();
@@ -250,6 +257,24 @@ fn test_fold_let_assign() {
     refactor("fold_let_assign").test();
 }
 
+#[test]
+fn test_matcher_def() {
+    refactor("rewrite_expr")
+        .command_args(&["def!(crate::f)()", "crate::f2()"])
+        .named("matcher_def.rs")
+        .test()
+}
+
+/// TODO Broken.
+/// `b: u16` is not replaced with `1000u16`.
+#[test]
+fn test_matcher_typed() {
+    refactor("rewrite_expr")
+        .command_args(&["typed!($i:Ident, u16)", "1000u16"])
+        .named("matcher_typed.rs")
+        .test();
+}
+
 #[test]
 fn test_reconstruct_while() {
     refactor("reconstruct_while").test();

c2rust-refactor/tests/matcher_def/new.rs

@@ -1,3 +1,7 @@
+---
+source: c2rust-refactor/tests/snapshots.rs
+expression: c2rust-refactor bitcast_retype i32 u32 --rewrite-mode alongside -- tests/snapshots/bitcast_retype.rs --edition 2021
+---
 struct S {
     x: u32,
 }