Check in codegen test expectations.

test/codegen/expect/language/rethrow_test.js

Index: test/codegen/expect/language/rethrow_test.js
diff --git a/test/codegen/expect/language/rethrow_test.js b/test/codegen/expect/language/rethrow_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..a66218a1377a39b6aaa4bf29474d69d381ec5e04
--- /dev/null
+++ b/test/codegen/expect/language/rethrow_test.js
@@ -0,0 +1,90 @@
+dart_library.library('language/rethrow_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__rethrow_test(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 rethrow_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  rethrow_test.MyException = class MyException extends core.Object {
+    new() {
+    }
+  };
+  dart.setSignature(rethrow_test.MyException, {
+    constructors: () => ({new: dart.definiteFunctionType(rethrow_test.MyException, [])})
+  });
+  rethrow_test.OtherException = class OtherException extends core.Object {
+    new() {
+    }
+  };
+  dart.setSignature(rethrow_test.OtherException, {
+    constructors: () => ({new: dart.definiteFunctionType(rethrow_test.OtherException, [])})
+  });
+  rethrow_test.RethrowTest = class RethrowTest extends core.Object {
+    new() {
+      this.currentException = null;
+    }
+    throwException() {
+      this.currentException = new rethrow_test.MyException();
+      dart.throw(this.currentException);
+    }
+    testRethrowPastUncaught() {
+      try {
+        try {
+          try {
+            this.throwException();
+            expect$.Expect.fail("Should have thrown an exception");
+          } catch (e) {
+            expect$.Expect.equals(true, core.identical(e, this.currentException));
+            throw e;
+            expect$.Expect.fail("Should have thrown an exception");
+          }
+
+        } catch (e) {
+          if (rethrow_test.OtherException.is(e)) {
+            expect$.Expect.fail("Should not have caught OtherException");
+          } else
+            throw e;
+        }
+
+      } catch (e) {
+        expect$.Expect.equals(true, core.identical(e, this.currentException));
+      }
+
+    }
+    testRethrow() {
+      try {
+        try {
+          this.throwException();
+          expect$.Expect.fail("Should have thrown an exception");
+        } catch (e) {
+          expect$.Expect.equals(true, core.identical(e, this.currentException));
+          throw e;
+          expect$.Expect.fail("Should have thrown an exception");
+        }
+
+      } catch (e) {
+        expect$.Expect.equals(true, core.identical(e, this.currentException));
+      }
+
+    }
+  };
+  dart.setSignature(rethrow_test.RethrowTest, {
+    methods: () => ({
+      throwException: dart.definiteFunctionType(dart.void, []),
+      testRethrowPastUncaught: dart.definiteFunctionType(dart.void, []),
+      testRethrow: dart.definiteFunctionType(dart.void, [])
+    })
+  });
+  rethrow_test.main = function() {
+    let t = new rethrow_test.RethrowTest();
+    t.testRethrow();
+    t.testRethrowPastUncaught();
+  };
+  dart.fn(rethrow_test.main, VoidTodynamic());
+  // Exports:
+  exports.rethrow_test = rethrow_test;
+});