296   BinaryStreamRef Dropped = ConstRef.drop_front(1);  in TEST_F()  local
297   EXPECT_EQ(1U, Dropped.getLength());  in TEST_F()
301   EXPECT_EQ(3U, Dropped.getLength());  in TEST_F()
305   Dropped = Dropped.drop_back(0);  in TEST_F()
308   EXPECT_EQ(5U, Dropped.getLength());  in TEST_F()
312   Dropped = Dropped.drop_back(1);  in TEST_F()
315   EXPECT_EQ(4U, Dropped.getLength());  in TEST_F()
331   auto Dropped = Original.drop_front(2);  in TEST_F()  local
332   EXPECT_THAT_ERROR(Dropped.readBytes(0, Dropped.getLength(), Result),  in TEST_F()
336   Dropped = Original.drop_back(2);  in TEST_F()
337   EXPECT_THAT_ERROR(Dropped.readBytes(0, Dropped.getLength(), Result),  in TEST_F()
341   Dropped = Original.keep_front(2);  in TEST_F()
342   EXPECT_THAT_ERROR(Dropped.readBytes(0, Dropped.getLength(), Result),  in TEST_F()
346   Dropped = Original.keep_back(2);  in TEST_F()
347   EXPECT_THAT_ERROR(Dropped.readBytes(0, Dropped.getLength(), Result),  in TEST_F()
351   Dropped = Original.drop_symmetric(2);  in TEST_F()
352   EXPECT_THAT_ERROR(Dropped.readBytes(0, Dropped.getLength(), Result),  in TEST_F()