Dirty implementation of atrac3 encoder:

 - no JS mode
 - constant quantiser for tonal components
 - gain controll implemented but produces some artifacts with real signals.
 - etc...

1 files changed, 26 insertions, 0 deletions

diff --git a/src/util_ut.cpp b/src/util_ut.cpp
new file mode 100644
index 0000000..ccd9fce
--- /dev/null
+++ b/src/util_ut.cpp
@@ -0,0 +1,26 @@
+#include "util.h"
+#include <gtest/gtest.h>
+
+#include <vector>
+
+
+TEST(Util, SwapArrayTest) {
+
+    TFloat arr[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+    SwapArray(arr, 8);
+    for (size_t i = 0; i < 8; ++i) {
+        EXPECT_NEAR((TFloat)i, arr[7-i], 0.000000000001);
+    }
+}
+
+TEST(Util, GetFirstSetBitTest) {
+    EXPECT_EQ(1, GetFirstSetBit(2));
+    EXPECT_EQ(1, GetFirstSetBit(3));
+    EXPECT_EQ(2, GetFirstSetBit(4));
+    EXPECT_EQ(2, GetFirstSetBit(5));
+    EXPECT_EQ(2, GetFirstSetBit(6));
+    EXPECT_EQ(2, GetFirstSetBit(7));
+    EXPECT_EQ(3, GetFirstSetBit(8));
+    EXPECT_EQ(3, GetFirstSetBit(9));
+    EXPECT_EQ(3, GetFirstSetBit(10));
+}