1 files changed, 83 insertions, 0 deletions
diff --git a/src/base/test/transpose.cpp b/src/base/test/transpose.cpp
new file mode 100644
index 0000000..b1254f5
--- /dev/null
+++ b/src/base/test/transpose.cpp
@@ -0,0 +1,83 @@
+// -*- c-basic-offset: 4 -*-
+
+#include "NotationTypes.h"
+
+using namespace Rosegarden;
+using std::cout;
+
+// Unit test-ish tests for transposition.
+// 
+// Returns -1 (or crashes :)) on error, 0 on success
+
+/**
+ * should be in Pitch eventually
+ */
+void testAisDisplayAccidentalInCmaj()
+{
+    Pitch ais(70, Accidentals::Sharp);
+    Key cmaj ("C major");
+    Accidental accidental = ais.getDisplayAccidental(cmaj);
+    if (accidental != Accidentals::Sharp)
+    {
+        std::cout << "Accidental for A# in Cmaj was " << accidental << " instead of expected Sharp" << std::endl;
+        exit(-1);
+    }
+}
+
+/** 
+ * transpose an A# up by a major second, should 
+ * yield a B# (as C would be a minor triad) 
+ */
+void testAisToBis()
+{
+    std::cout << "Testing transposing A# to B#... ";
+    Pitch ais(70, Accidentals::Sharp);
+    Key cmaj ("C major");
+
+    Pitch result = ais.transpose(cmaj, 2, 1);
+
+    Accidental resultAccidental = result.getAccidental(cmaj);
+    int resultPitch = result.getPerformancePitch();
+    if (resultAccidental != Accidentals::Sharp || resultPitch != 72)
+    {
+        std::cout << "Transposing A# up by a major second didn't yield B#, but " << result.getNoteName(cmaj) << resultAccidental << std::endl;
+        exit(-1);
+    }
+    std::cout << "Success" << std::endl;
+}
+
+/**
+ * Transpose G to D in the key of D major.
+ */
+void testGToD()
+{
+    std::cout << "Testing transposing G to D... ";
+    Pitch g(67, Accidentals::Natural);
+    Key* dmaj = new Key("D major");
+
+    Pitch result = g.transpose(*dmaj, 7, 4);
+
+    Accidental resultAccidental = result.getAccidental(*dmaj);
+    int resultPitch = result.getPerformancePitch();
+    if (resultAccidental != Accidentals::NoAccidental || resultPitch != 74)
+    {
+        std::cout << "Transposing G up by a fifth didn't yield D, but " << result.getNoteName(*dmaj) << resultAccidental << std::endl;
+        exit(-1);
+    }
+    std::cout << "Success" << std::endl;
+}
+
+void testKeyTransposition()
+{
+
+}
+
+int main(int argc, char **argv)
+{
+    testAisDisplayAccidentalInCmaj();
+    testAisToBis();
+    testGToD();
+    testKeyTransposition();
+
+    return 0;    
+}