Keep Postgres-specific E'' string tests out of shared string tests

Author: nene

test/features/strings.ts

@@ -12,7 +12,6 @@ type StringType =
   | "''-bs" // with backslash escaping
   | "U&''" // with repeated-quote escaping
   | "N''" // with escaping style depending on whether also ''-qq or ''-bs was specified
-  | "E''" // with escaping style depending on whether also ''-qq or ''-bs was specified
   | "X''" // no escaping
   | 'X""' // no escaping
   | "B''" // no escaping
@@ -140,32 +139,6 @@ export default function supportsStrings(format: FormatFn, stringTypes: StringTyp
     });
   }
 
-  if (stringTypes.includes("E''")) {
-    it('supports unicode strings', () => {
-      expect(format("SELECT E'where' FROM E'update'")).toBe(dedent`
-        SELECT
-          E'where'
-        FROM
-          E'update'
-      `);
-    });
-
-    if (stringTypes.includes("''-qq")) {
-      it("supports escaping in E'' strings with repeated quote", () => {
-        expect(format("E'foo '' JOIN bar'")).toBe("E'foo '' JOIN bar'");
-      });
-    }
-    if (stringTypes.includes("''-bs")) {
-      it("supports escaping in E'' strings with a backslash", () => {
-        expect(format("E'foo \\' JOIN bar'")).toBe("E'foo \\' JOIN bar'");
-      });
-    }
-
-    it("detects consecutive E'' strings as separate ones", () => {
-      expect(format("E'foo'E'bar'")).toBe("E'foo' E'bar'");
-    });
-  }
-
   if (stringTypes.includes("X''")) {
     it('supports hex byte sequences', () => {
       expect(format("x'0E'")).toBe("x'0E'");

test/postgresql.test.ts

@@ -52,7 +52,7 @@ describe('PostgreSqlFormatter', () => {
   supportsOnConflict(format);
   supportsUpdate(format, { whereCurrentOf: true });
   supportsTruncateTable(format, { withoutTable: true });
-  supportsStrings(format, ["''-qq", "U&''", "X''", "B''", "E''"]);
+  supportsStrings(format, ["''-qq", "U&''", "X''", "B''"]);
   supportsIdentifiers(format, [`""-qq`, 'U&""']);
   supportsBetween(format);
   supportsSchema(format);
@@ -167,6 +167,7 @@ describe('PostgreSqlFormatter', () => {
       FROM
         foo
     `);
+    expect(format("E'blah''blah'")).toBe("E'blah''blah'");
   });
 
   it('supports dollar-quoted strings', () => {