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-rw-r--r--src/test/compress_tests.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/test/compress_tests.cpp b/src/test/compress_tests.cpp
new file mode 100644
index 0000000000..71b86bcb41
--- /dev/null
+++ b/src/test/compress_tests.cpp
@@ -0,0 +1,62 @@
+#include <boost/test/unit_test.hpp>
+
+#include <string>
+#include <vector>
+
+#include "main.h"
+
+// amounts 0.00000001 .. 0.00100000
+#define NUM_MULTIPLES_UNIT 100000
+
+// amounts 0.01 .. 100.00
+#define NUM_MULTIPLES_CENT 10000
+
+// amounts 1 .. 10000
+#define NUM_MULTIPLES_1BTC 10000
+
+// amounts 50 .. 21000000
+#define NUM_MULTIPLES_50BTC 420000
+
+using namespace std;
+
+BOOST_AUTO_TEST_SUITE(compress_tests)
+
+bool static TestEncode(uint64 in) {
+ return in == CTxOutCompressor::DecompressAmount(CTxOutCompressor::CompressAmount(in));
+}
+
+bool static TestDecode(uint64 in) {
+ return in == CTxOutCompressor::CompressAmount(CTxOutCompressor::DecompressAmount(in));
+}
+
+bool static TestPair(uint64 dec, uint64 enc) {
+ return CTxOutCompressor::CompressAmount(dec) == enc &&
+ CTxOutCompressor::DecompressAmount(enc) == dec;
+}
+
+BOOST_AUTO_TEST_CASE(compress_amounts)
+{
+ BOOST_CHECK(TestPair( 0, 0x0));
+ BOOST_CHECK(TestPair( 1, 0x1));
+ BOOST_CHECK(TestPair( CENT, 0x7));
+ BOOST_CHECK(TestPair( COIN, 0x9));
+ BOOST_CHECK(TestPair( 50*COIN, 0x32));
+ BOOST_CHECK(TestPair(21000000*COIN, 0x1406f40));
+
+ for (uint64 i = 1; i <= NUM_MULTIPLES_UNIT; i++)
+ BOOST_CHECK(TestEncode(i));
+
+ for (uint64 i = 1; i <= NUM_MULTIPLES_CENT; i++)
+ BOOST_CHECK(TestEncode(i * CENT));
+
+ for (uint64 i = 1; i <= NUM_MULTIPLES_1BTC; i++)
+ BOOST_CHECK(TestEncode(i * COIN));
+
+ for (uint64 i = 1; i <= NUM_MULTIPLES_50BTC; i++)
+ BOOST_CHECK(TestEncode(i * 50 * COIN));
+
+ for (uint64 i = 0; i < 100000; i++)
+ BOOST_CHECK(TestDecode(i));
+}
+
+BOOST_AUTO_TEST_SUITE_END()