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Commit d117f6f6 authored by Hao Ke's avatar Hao Ke
Browse files

Added End-of-Parcel check API. 

Added End-of-Parcel check API, that verifies there are no
bytes left to be read on the Parcel.

Test: atest -d android.os.cts.ParcelTest#testEnforceNoDataAvail
Bug: 195622897
Bug: 204990745
Change-Id: I3068568d8d4371b071aecd357adeb45a2d7103e4
parent cc09b29e

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -31470,6 +31470,7 @@ package android.os { 
    method public int dataPosition();

    method public int dataSize();

    method public void enforceInterface(@NonNull String);

    method public void enforceNoDataAvail();

    method public boolean hasFileDescriptors();

    method public boolean hasFileDescriptors(int, int);

    method public byte[] marshall();

core/java/android/os/Parcel.java

+13 −0
Original line number Diff line number Diff line
@@ -845,6 +845,19 @@ public final class Parcel { 
        nativeEnforceInterface(mNativePtr, interfaceName);

    }



    /**

     * Verify there are no bytes left to be read on the Parcel.

     *

     * @throws BadParcelableException If the current position hasn't reached the end of the Parcel.

     * When used over binder, this exception should propagate to the caller.

     */

    public void enforceNoDataAvail() {

        final int n = dataAvail();

        if (n > 0) {

            throw new BadParcelableException("Parcel data not fully consumed, unread size: " + n);

        }

    }



    /**

     * Writes the work source uid to the request headers.

     *