Merge pull request #362 from MartinNowack/feat_determ_state_selection

Deterministic state addition and removing

1 files changed, 38 insertions, 0 deletions

diff --git a/test/Feature/DeterministicSwitch.c b/test/Feature/DeterministicSwitch.c
new file mode 100644
index 00000000..b6c186ff
--- /dev/null
+++ b/test/Feature/DeterministicSwitch.c
@@ -0,0 +1,38 @@
+// RUN: %llvmgcc %s -emit-llvm -g -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee -debug-print-instructions=all:stderr --output-dir=%t.klee-out --allow-external-sym-calls --switch-type=internal --search=dfs %t.bc >%t.switch.log 2>&1
+// RUN: FileCheck %s -input-file=%t.switch.log -check-prefix=CHECK-DFS
+// RUN: rm -rf %t.klee-out
+// RUN: %klee -debug-print-instructions=all:stderr --output-dir=%t.klee-out --allow-external-sym-calls --switch-type=internal --search=bfs %t.bc >%t.switch.log 2>&1
+// RUN: FileCheck %s -input-file=%t.switch.log -check-prefix=CHECK-BFS
+
+#include "klee/klee.h"
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+  char c;
+
+  klee_make_symbolic(&c, sizeof(c), "index");
+
+  switch (c) {
+  case '\t':
+    printf("tab\n");
+    break;
+  case ' ':
+    printf("space\n");
+    break;
+  default:
+    printf("default\n");
+    break;
+  }
+
+  // CHECK-DFS: default
+  // CHECK-DFS: space
+  // CHECK-DFS: tab
+
+  // CHECK-BFS: tab
+  // CHECK-BFS: space
+  // CHECK-BFS: default
+
+  return 0;
+}