Add tests from babel/babel#12933

tests/misc/errors/js/assignment/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`snippet: #0 [babel] format 1`] = `
+"Invalid parenthesized assignment pattern (1:1)
+> 1 | ({}) = x;
+    | ^"
+`;
+
+exports[`snippet: #0 [babel-ts] format 1`] = `
+"Invalid parenthesized assignment pattern (1:1)
+> 1 | ({}) = x;
+    | ^"
+`;
+
+exports[`snippet: #0 [espree] format 1`] = `
+"Parenthesized pattern (1:1)
+> 1 | ({}) = x;
+    | ^"
+`;
+
+exports[`snippet: #0 [meriyah] format 1`] = `
+"[1:6]: Invalid left-hand side in assignment (1:6)
+> 1 | ({}) = x;
+    |      ^"
+`;

tests/misc/errors/js/assignment/jsfmt.spec.js

@@ -0,0 +1,7 @@
+run_spec(
+  {
+    dirname: __dirname,
+    snippets: ["({}) = x;"],
+  },
+  ["babel", "babel-ts", "espree", "meriyah"]
+);

tests/typescript/assignment/__snapshots__/jsfmt.spec.js.snap

@@ -179,3 +179,27 @@ const firestorePersonallyIdentifiablePaths: Array<Collections.Users.Entity> =
 
 ================================================================================
 `;
+
+exports[`parenthesized.ts format 1`] = `
+====================================options=====================================
+parsers: ["typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+// https://github.com/babel/babel/pull/12933/files
+(<number>x) = null;
+(x!) = null;
+(a as any) = null;
+(a as number) = 42;
+((a as any) as string) = null;
+
+=====================================output=====================================
+// https://github.com/babel/babel/pull/12933/files
+(<number>x) = null;
+x! = null;
+(a as any) = null;
+(a as number) = 42;
+((a as any) as string) = null;
+
+================================================================================
+`;

tests/typescript/assignment/parenthesized.ts

@@ -0,0 +1,6 @@
+// https://github.com/babel/babel/pull/12933/files
+(<number>x) = null;
+(x!) = null;
+(a as any) = null;
+(a as number) = 42;
+((a as any) as string) = null;