diff --git a/tv/tuner/aidl/vts/functional/DemuxTests.cpp b/tv/tuner/aidl/vts/functional/DemuxTests.cpp
index 9de01e1..b2fca6f 100644
--- a/tv/tuner/aidl/vts/functional/DemuxTests.cpp
+++ b/tv/tuner/aidl/vts/functional/DemuxTests.cpp
@@ -16,6 +16,12 @@
 
 #include "DemuxTests.h"
 
+AssertionResult DemuxTests::getDemuxIds(std::vector<int32_t>& demuxIds) {
+    ndk::ScopedAStatus status;
+    status = mService->getDemuxIds(&demuxIds);
+    return AssertionResult(status.isOk());
+}
+
 AssertionResult DemuxTests::openDemux(std::shared_ptr<IDemux>& demux, int32_t& demuxId) {
     std::vector<int32_t> id;
     auto status = mService->openDemux(&id, &mDemux);
@@ -26,6 +32,14 @@
     return AssertionResult(status.isOk());
 }
 
+AssertionResult DemuxTests::openDemuxById(int32_t demuxId, std::shared_ptr<IDemux>& demux) {
+    auto status = mService->openDemuxById(demuxId, &mDemux);
+    if (status.isOk()) {
+        demux = mDemux;
+    }
+    return AssertionResult(status.isOk());
+}
+
 AssertionResult DemuxTests::setDemuxFrontendDataSource(int32_t frontendId) {
     EXPECT_TRUE(mDemux) << "Test with openDemux first.";
     auto status = mDemux->setFrontendDataSource(frontendId);
@@ -33,14 +47,15 @@
 }
 
 AssertionResult DemuxTests::getDemuxCaps(DemuxCapabilities& demuxCaps) {
-    if (!mDemux) {
-        ALOGW("[vts] Test with openDemux first.");
-        return failure();
-    }
     auto status = mService->getDemuxCaps(&demuxCaps);
     return AssertionResult(status.isOk());
 }
 
+AssertionResult DemuxTests::getDemuxInfo(int32_t demuxId, DemuxInfo& demuxInfo) {
+    auto status = mService->getDemuxInfo(demuxId, &demuxInfo);
+    return AssertionResult(status.isOk());
+}
+
 AssertionResult DemuxTests::getAvSyncId(std::shared_ptr<IFilter> filter, int32_t& avSyncHwId) {
     EXPECT_TRUE(mDemux) << "Demux is not opened yet.";
 
diff --git a/tv/tuner/aidl/vts/functional/DemuxTests.h b/tv/tuner/aidl/vts/functional/DemuxTests.h
index 7698de3..b58cf70 100644
--- a/tv/tuner/aidl/vts/functional/DemuxTests.h
+++ b/tv/tuner/aidl/vts/functional/DemuxTests.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <aidl/android/hardware/tv/tuner/DemuxCapabilities.h>
+#include <aidl/android/hardware/tv/tuner/DemuxInfo.h>
 #include <aidl/android/hardware/tv/tuner/IDemux.h>
 #include <aidl/android/hardware/tv/tuner/IFilter.h>
 #include <aidl/android/hardware/tv/tuner/ITuner.h>
@@ -32,11 +33,14 @@
   public:
     void setService(std::shared_ptr<ITuner> tuner) { mService = tuner; }
 
+    AssertionResult getDemuxIds(std::vector<int32_t>& demuxIds);
     AssertionResult openDemux(std::shared_ptr<IDemux>& demux, int32_t& demuxId);
+    AssertionResult openDemuxById(int32_t demuxId, std::shared_ptr<IDemux>& demux);
     AssertionResult setDemuxFrontendDataSource(int32_t frontendId);
     AssertionResult getAvSyncId(std::shared_ptr<IFilter> filter, int32_t& avSyncHwId);
     AssertionResult getAvSyncTime(int32_t avSyncId);
     AssertionResult getDemuxCaps(DemuxCapabilities& demuxCaps);
+    AssertionResult getDemuxInfo(int32_t demuxId, DemuxInfo& demuxInfo);
     AssertionResult closeDemux();
 
   protected:
diff --git a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
index 6aa1e16..9db82c8 100644
--- a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
+++ b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
@@ -695,6 +695,34 @@
     }
 }
 
+TEST_P(TunerDemuxAidlTest, openDemuxById) {
+    description("Open (with id) and close a Demux.");
+    std::vector<int32_t> demuxIds;
+    ASSERT_TRUE(mDemuxTests.getDemuxIds(demuxIds));
+    for (int i = 0; i < demuxIds.size(); i++) {
+        std::shared_ptr<IDemux> demux;
+        ASSERT_TRUE(mDemuxTests.openDemuxById(demuxIds[i], demux));
+        ASSERT_TRUE(mDemuxTests.closeDemux());
+    }
+}
+
+TEST_P(TunerDemuxAidlTest, getDemuxInfo) {
+    description("Check getDemuxInfo against demux caps");
+    std::vector<int32_t> demuxIds;
+    ASSERT_TRUE(mDemuxTests.getDemuxIds(demuxIds));
+    int32_t combinedFilterTypes = 0;
+    for (int i = 0; i < demuxIds.size(); i++) {
+        DemuxInfo demuxInfo;
+        ASSERT_TRUE(mDemuxTests.getDemuxInfo(demuxIds[i], demuxInfo));
+        combinedFilterTypes |= demuxInfo.filterTypes;
+    }
+    if (demuxIds.size() > 0) {
+        DemuxCapabilities demuxCaps;
+        ASSERT_TRUE(mDemuxTests.getDemuxCaps(demuxCaps));
+        ASSERT_TRUE(demuxCaps.filterCaps == combinedFilterTypes);
+    }
+}
+
 TEST_P(TunerDemuxAidlTest, getAvSyncTime) {
     description("Get the A/V sync time from a PCR filter.");
     if (!live.hasFrontendConnection) {