Add REPORTF test macro.

tests/BlitRowTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 #include "TestClassDef.h"
 #include "SkBitmap.h"
@@ skipping 71 matching lines @@
 
 static bool check_color(const SkBitmap& bm, SkPMColor expect32,
                         uint16_t expect16, uint8_t expect8,
                         skiatest::Reporter* reporter) {
     uint32_t expect;
     Proc proc = find_proc(bm, expect32, expect16, expect8, &expect);
     for (int y = 0; y < bm.height(); y++) {
         uint32_t bad;
         int x = proc(bm.getAddr(0, y), bm.width(), expect, &bad);
         if (x >= 0) {
-            SkString str;
-            str.printf("BlitRow config=%s [%d %d] expected %x got %x",
-                       gConfigName[bm.config()], x, y, expect, bad);
-            reporter->reportFailed(str);
+            REPORTF(reporter,
+                    ("BlitRow config=%s [%d %d] expected %x got %x",
+                     gConfigName[bm.config()], x, y, expect, bad));
             return false;
         }
     }
     return true;
 }
 
 // Make sure our blits always map src==0 to a noop, and src==FF to full opaque
 static void test_00_FF(skiatest::Reporter* reporter) {
     static const int W = 256;
 
@@ skipping 139 matching lines @@
                     canvas0.drawRect(srcR, paint);
                     mesh.draw(&canvas1, &paint);
 
                     if (!gOnce && false) {
                         save_bm(dstBM0, "drawBitmap.png");
                         save_bm(dstBM1, "drawMesh.png");
                         gOnce = true;
                     }
 
                     if (memcmp(dstBM0.getPixels(), dstBM1.getPixels(), dstBM0.getSize())) {
-                        SkString str;
-                        str.printf("Diagonal config=%s bg=0x%x dither=%d alpha=0x%x src=0x%x",
-                                   gConfigName[gDstConfig[i]], bgColor, dither, alpha, c);
-                        reporter->reportFailed(str);
+                        REPORTF(reporter,
+                                ("Diagonal config=%s bg=0x%x dither=%d "
+                                 "alpha=0x%x src=0x%x",
+                                 gConfigName[gDstConfig[i]], bgColor, dither,
+                                 alpha, c));
                     }
                 }
             }
         }
     }
 }
 
 DEF_TEST(BlitRow, reporter) {
     test_00_FF(reporter);
     test_diagonal(reporter);
 }