Check in codegen test expectations.

test/codegen/expect/corelib/string_trimlr_test_01_multi.js

Index: test/codegen/expect/corelib/string_trimlr_test_01_multi.js
diff --git a/test/codegen/expect/corelib/string_trimlr_test_01_multi.js b/test/codegen/expect/corelib/string_trimlr_test_01_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..edf91e04a5518119602bc8f667c4758d9c2b81a2
--- /dev/null
+++ b/test/codegen/expect/corelib/string_trimlr_test_01_multi.js
@@ -0,0 +1,54 @@
+dart_library.library('corelib/string_trimlr_test_01_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__string_trimlr_test_01_multi(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const string_trimlr_test_01_multi = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  string_trimlr_test_01_multi.WHITESPACE = dart.constList([9, 10, 11, 12, 13, 32, 133, 160, 5760, 6158, 8192, 8193, 8194, 8195, 8196, 8197, 8198, 8199, 8200, 8201, 8202, 8232, 8233, 8239, 8287, 12288, 65279], core.int);
+  string_trimlr_test_01_multi.main = function() {
+    function test(ws) {
+      expect$.Expect.equals("", dart.dsend(ws, 'trimLeft'), "K1");
+      expect$.Expect.equals("", dart.dsend(dart.dsend(ws, '+', ws), 'trimLeft'), "L2");
+      expect$.Expect.equals("a" + dart.notNull(core.String._check(ws)), ("a" + dart.notNull(core.String._check(ws)))[dartx.trimLeft](), "L3");
+      expect$.Expect.equals("a", dart.dsend(dart.dsend(ws, '+', "a"), 'trimLeft'), "L4");
+      expect$.Expect.equals("a" + dart.notNull(core.String._check(ws)) + dart.notNull(core.String._check(ws)), dart.dsend(dart.dsend(dart.dsend(dart.dsend(dart.dsend(ws, '+', ws), '+', "a"), '+', ws), '+', ws), 'trimLeft'), "L5");
+      expect$.Expect.equals("a" + dart.notNull(core.String._check(ws)) + "a", dart.dsend(dart.dsend(dart.dsend(dart.dsend(dart.dsend(ws, '+', ws), '+', "a"), '+', ws), '+', "a"), 'trimLeft'), "L6");
+      let untrimmable = "a" + dart.notNull(core.String._check(ws)) + "a";
+      expect$.Expect.identical(untrimmable, untrimmable[dartx.trimLeft](), "L7");
+      expect$.Expect.equals("", dart.dsend(ws, 'trimRight'), "R1");
+      expect$.Expect.equals("", dart.dsend(dart.dsend(ws, '+', ws), 'trimRight'), "R2");
+      expect$.Expect.equals("a", ("a" + dart.notNull(core.String._check(ws)))[dartx.trimRight](), "R3");
+      expect$.Expect.equals(dart.dsend(ws, '+', "a"), dart.dsend(dart.dsend(ws, '+', "a"), 'trimRight'), "R4");
+      expect$.Expect.equals(dart.dsend(dart.dsend(ws, '+', ws), '+', "a"), dart.dsend(dart.dsend(dart.dsend(dart.dsend(dart.dsend(ws, '+', ws), '+', "a"), '+', ws), '+', ws), 'trimRight'), "R5");
+      expect$.Expect.equals("a" + dart.notNull(core.String._check(ws)) + "a", ("a" + dart.notNull(core.String._check(ws)) + "a" + dart.notNull(core.String._check(ws)) + dart.notNull(core.String._check(ws)))[dartx.trimRight](), "R6");
+      expect$.Expect.identical(untrimmable, untrimmable[dartx.trimRight](), "R7");
+    }
+    dart.fn(test, dynamicTodynamic());
+    for (let ws of string_trimlr_test_01_multi.WHITESPACE) {
+      let c = core.String.fromCharCode(ws);
+      test(c);
+    }
+    test(core.String.fromCharCodes(string_trimlr_test_01_multi.WHITESPACE));
+    expect$.Expect.identical("", ""[dartx.trimLeft]());
+    expect$.Expect.identical("", ""[dartx.trimRight]());
+    for (let i = 0, j = 0; i <= 65536; i++) {
+      if (j < dart.notNull(string_trimlr_test_01_multi.WHITESPACE[dartx.length]) && i == string_trimlr_test_01_multi.WHITESPACE[dartx.get](j)) {
+        j++;
+        continue;
+      }
+      if (i == 8203) continue;
+      let s = core.String.fromCharCode(i);
+      expect$.Expect.identical(s, s[dartx.trimLeft]());
+      expect$.Expect.identical(s, s[dartx.trimRight]());
+    }
+  };
+  dart.fn(string_trimlr_test_01_multi.main, VoidTodynamic());
+  // Exports:
+  exports.string_trimlr_test_01_multi = string_trimlr_test_01_multi;
+});