tests: audioconvert: fix test compilation with clang

With clang 3.7.1 on FreeBSD:
elements/audioconvert.c:650:12: error: shifting a negative signed value is
      undefined [-Werror,-Wshift-negative-value]
      (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15),
       ~~~ ^

https://bugzilla.gnome.org/show_bug.cgi?id=760134

diff --git a/tests/check/elements/audioconvert.c b/tests/check/elements/audioconvert.c
index aaaebe3..1d1087d 100644 (file)
--- a/tests/check/elements/audioconvert.c
+++ b/tests/check/elements/audioconvert.c
@@ -647,9 +647,9 @@ GST_START_TEST (test_int_conversion)
     gint32 in[] = { 0, G_MININT32, G_MAXINT32,
       (32 << 16), (32 << 16) + (1 << 15), (32 << 16) - (1 << 15),
       (32 << 16) + (2 << 15), (32 << 16) - (2 << 15),
-      (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15),
-      (-32 << 16) + (2 << 15), (-32 << 16) - (2 << 15),
-      (-32 << 16)
+      (-(32 << 16)) + (1 << 15), (-(32 << 16)) - (1 << 15),
+      (-(32 << 16)) + (2 << 15), (-(32 << 16)) - (2 << 15),
+      (-(32 << 16))
     };
     gint16 out[] = { 0, G_MININT16, G_MAXINT16,
       32, 33, 32,
@@ -670,9 +670,9 @@ GST_START_TEST (test_int_conversion)
     gint32 in[] = { 0, G_MININT32, G_MAXINT32,
       (32 << 16), (32 << 16) + (1 << 15), (32 << 16) - (1 << 15),
       (32 << 16) + (2 << 15), (32 << 16) - (2 << 15),
-      (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15),
-      (-32 << 16) + (2 << 15), (-32 << 16) - (2 << 15),
-      (-32 << 16)
+      (-(32 << 16)) + (1 << 15), (-(32 << 16)) - (1 << 15),
+      (-(32 << 16)) + (2 << 15), (-(32 << 16)) - (2 << 15),
+      (-(32 << 16))
     };
     guint16 out[] = { (1 << 15), 0, G_MAXUINT16,
       (1 << 15) + 32, (1 << 15) + 33, (1 << 15) + 32,
@@ -812,9 +812,9 @@ GST_START_TEST (test_int_float_conversion)
   {
     gint16 in[] = { 0, -32768, 16384, -16384 };
     gdouble out[] = { 0.0,
-      (gdouble) (-32768L << 16) / 2147483648.0, /* ~ -1.0 */
+      (gdouble) (-(32768L << 16)) / 2147483648.0,       /* ~ -1.0 */
       (gdouble) (16384L << 16) / 2147483648.0,  /* ~  0.5 */
-      (gdouble) (-16384L << 16) / 2147483648.0, /* ~ -0.5 */
+      (gdouble) (-(16384L << 16)) / 2147483648.0,       /* ~ -0.5 */
     };
 
     RUN_CONVERSION ("16 signed to 64 float",
@@ -822,11 +822,11 @@ GST_START_TEST (test_int_float_conversion)
         out, get_float_caps (1, G_BYTE_ORDER, 64));
   }
   {
-    gint32 in[] = { 0, (-1L << 31), (1L << 30), (-1L << 30) };
+    gint32 in[] = { 0, (-(1L << 31)), (1L << 30), (-(1L << 30)) };
     gdouble out[] = { 0.0,
-      (gdouble) (-1L << 31) / 2147483648.0,     /* ~ -1.0 */
+      (gdouble) (-(1L << 31)) / 2147483648.0,   /* ~ -1.0 */
       (gdouble) (1L << 30) / 2147483648.0,      /* ~  0.5 */
-      (gdouble) (-1L << 30) / 2147483648.0,     /* ~ -0.5 */
+      (gdouble) (-(1L << 30)) / 2147483648.0,   /* ~ -0.5 */
     };
 
     RUN_CONVERSION ("32 signed to 64 float",
@@ -1067,9 +1067,9 @@ GST_START_TEST (test_passthrough)
     gint32 data[] = { 0, G_MININT32, G_MAXINT32,
       (32 << 16), (32 << 16) + (1 << 15), (32 << 16) - (1 << 15),
       (32 << 16) + (2 << 15), (32 << 16) - (2 << 15),
-      (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15),
-      (-32 << 16) + (2 << 15), (-32 << 16) - (2 << 15),
-      (-32 << 16)
+      (-(32 << 16)) + (1 << 15), (-(32 << 16)) - (1 << 15),
+      (-(32 << 16)) + (2 << 15), (-(32 << 16)) - (2 << 15),
+      (-(32 << 16))
     };
     RUN_CONVERSION ("int 32 bit signed passthrough",
         data, get_int_caps (1, G_BYTE_ORDER, 32, 32, TRUE),