Import libcds.

[SXSI/libcds.git] / tests / test_naive.cpp

diff --git a/tests/test_naive.cpp b/tests/test_naive.cpp
new file mode 100644 (file)
index 0000000..3ce65ff
--- /dev/null
+++ b/tests/test_naive.cpp
@@ -0,0 +1,49 @@
+
+#include <iostream>
+#include <basics.h>
+#include <static_bitsequence.h>
+
+using namespace std;
+
+int main(int argc, char ** argv) {
+       if(argc!=2) {
+               cout << "usage: " << argv[0] << " <bitmap_file>" << endl;
+               return 0;
+       }
+       FILE * fp = fopen(argv[1],"r");
+       if(fp==NULL) {
+               cout << "Error opening " << argv[1] << endl;
+               return -1;
+       }
+       uint *bitseq, len;
+       uint l = fread(&len, sizeof(uint), 1, fp);
+       bitseq = new uint[uint_len(len,1)];
+       l += fread(bitseq, sizeof(uint), uint_len(len,1), fp);
+       static_bitsequence * bs = new static_bitsequence_naive(bitseq,len);
+       cout << "Bitmap length: " << len << " =? " << bs->length() << endl;
+       uint ones = 0;
+       for(uint i=0;i<len;i++) {
+               if(bitget(bitseq,i)) ones++;
+               if(bs->rank1(i) != ones) {
+                       cout << "Rank1 error for position " << i << endl;
+                       cout << " got: " << bs->rank1(i) << " expected: " << ones << endl;
+               }
+               if(bitget(bitseq,i) && bs->select1(ones) != i) {
+                       cout << "Select1 error for position " << i << endl;
+                       cout << " got: " << bs->select1(ones) << " expected: " << i << endl;
+               }
+               if(bs->rank0(i) != i+1-ones) {
+                       cout << "Rank0 error for position " << i << endl;
+                       cout << " got: " << bs->rank0(i) << " expected: " << ones << endl;
+               }
+               if(!bitget(bitseq,i) && bs->select0(i+1-ones) != i) {
+                       cout << "Select0 error for position " << i << endl;
+                       cout << " got: " << bs->select0(ones) << " expected: " << i << endl;
+               }
+       }
+       delete bs;
+       fclose(fp);
+       cout << "Test completed." << endl;
+       return 0;
+}
+