fix(compiler): don't convert undefined to null literals (#11503)

Fixes #11493
2016-11-04 18:55:21 +01:00
parent 051d74802a
commit f0cdb428f5
5 changed files with 28 additions and 6 deletions
--- a/modules/@angular/core/test/linker/integration_spec.ts
+++ b/modules/@angular/core/test/linker/integration_spec.ts
@ -61,6 +61,15 @@ function declareTests({useJit}: {useJit: boolean}) {
        expect(fixture.nativeElement).toHaveText('');
      });

+      it('should allow both null and undefined in expressions', () => {
+        const template = '<div>{{null == undefined}}|{{null === undefined}}</div>';
+        const fixture = TestBed.configureTestingModule({declarations: [MyComp]})
+                            .overrideComponent(MyComp, {set: {template}})
+                            .createComponent(MyComp);
+        fixture.detectChanges();
+        expect(fixture.nativeElement).toHaveText('true|false');
+      });
+
      it('should consume element binding changes', () => {
        TestBed.configureTestingModule({declarations: [MyComp]});
        const template = '<div [id]="ctxProp"></div>';