
PASS Test driver 
PASS Partial interface Navigator: original interface defined 
FAIL Navigator interface: operation share(ShareData) assert_own_property: interface prototype object missing non-static operation expected property "share" missing
FAIL Navigator interface: navigator must inherit property "share(ShareData)" with the proper type assert_inherits: property "share" not found in prototype chain
FAIL Navigator interface: calling share(ShareData) on navigator with too few arguments must throw TypeError assert_inherits: property "share" not found in prototype chain