Fix completion check for TimestampPacketStorage

Change-Id: If15d2bbc49a1dc2dfb29e3b6cdc3ad1523997cd5
Signed-off-by: Dunajski, Bartosz <bartosz.dunajski@intel.com>

Author: BartoszDunajski

runtime/helpers/timestamp_packet.h

@@ -48,7 +48,7 @@ struct TimestampPacketStorage {
 
     bool isCompleted() const {
         for (uint32_t i = 0; i < packetsUsed; i++) {
-            if ((packets[0].contextEnd & 1) || (packets[0].globalEnd & 1)) {
+            if ((packets[i].contextEnd & 1) || (packets[i].globalEnd & 1)) {
                 return false;
             }
         }

unit_tests/helpers/timestamp_packet_tests.cpp

@@ -214,6 +214,25 @@ TEST_F(TimestampPacketSimpleTests, whenIsCompletedIsCalledThenItReturnsProperTim
     EXPECT_TRUE(timestampPacketStorage.isCompleted());
 }
 
+TEST_F(TimestampPacketSimpleTests, givenMultiplePacketsInUseWhenCompletionIsCheckedTheVerifyAllUsedNodes) {
+    TimestampPacketStorage timestampPacketStorage;
+    auto &packets = timestampPacketStorage.packets;
+
+    timestampPacketStorage.packetsUsed = TimestampPacketSizeControl::preferredPacketCount - 1;
+
+    for (uint32_t i = 0; i < timestampPacketStorage.packetsUsed - 1; i++) {
+        packets[i].contextEnd = 0;
+        packets[i].globalEnd = 0;
+        EXPECT_FALSE(timestampPacketStorage.isCompleted());
+    }
+
+    packets[timestampPacketStorage.packetsUsed - 1].contextEnd = 0;
+    EXPECT_FALSE(timestampPacketStorage.isCompleted());
+
+    packets[timestampPacketStorage.packetsUsed - 1].globalEnd = 0;
+    EXPECT_TRUE(timestampPacketStorage.isCompleted());
+}
+
 TEST_F(TimestampPacketSimpleTests, givenImplicitDependencyWhenEndTagIsWrittenThenCantBeReleased) {
     TimestampPacketStorage timestampPacketStorage;