Add cctx param tests

tests/Makefile

@@ -25,7 +25,7 @@ PRGDIR  = ../programs
 PYTHON ?= python3
 TESTARTEFACT := versionsTest namespaceTest
 
-DEBUGLEVEL= 1
+DEBUGLEVEL= 2
 DEBUGFLAGS= -g -DZSTD_DEBUG=$(DEBUGLEVEL)
 CPPFLAGS += -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
             -I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR)
@@ -169,6 +169,12 @@ datagen : $(PRGDIR)/datagen.c datagencli.c
 roundTripCrash : $(ZSTD_FILES) roundTripCrash.c
 	$(CC)      $(FLAGS) $^ -o $@$(EXT)
 
+OPAQUEFILES := $(ZSTD_FILES) $(ZDICT_FILES) roundTripCrashOpaque.c
+roundTripCrashOpaque : LDFLAGS += $(MULTITHREAD_CPP)
+roundTripCrashOpaque : LDFLAGS += $(MULTITHREAD_LD)
+roundTripCrashOpaque : $(OPAQUEFILES)
+	$(CC)      $(FLAGS) $^ -o $@$(EXT)
+
 longmatch  : $(ZSTD_FILES) longmatch.c
 	$(CC)      $(FLAGS) $^ -o $@$(EXT)