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      1 
      2 /*
      3  * Copyright 2013 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #include "Test.h"
      9 #include "SkError.h"
     10 #include "SkPath.h"
     11 #include "SkRect.h"
     12 
     13 #define CHECK(errcode)                                                        \
     14   REPORTER_ASSERT( reporter, (err = SkGetLastError()) == errcode);            \
     15   if (err != kNoError_SkError)                                                \
     16   {                                                                           \
     17      SkDebugf("Last error string: %s\n", SkGetLastErrorString());             \
     18      SkClearLastError();                                                      \
     19   }
     20 
     21 static void cb(SkError err, void *context) {
     22     int *context_ptr = static_cast<int *>(context);
     23     SkDebugf("CB (0x%x): %s\n", *context_ptr, SkGetLastErrorString());
     24 }
     25 
     26 static void ErrorTest(skiatest::Reporter* reporter) {
     27     SkError err;
     28 
     29     CHECK(kNoError_SkError);
     30 
     31     SkRect r = SkRect::MakeWH(50, 100);
     32     CHECK(kNoError_SkError);
     33 
     34     SkPath path;
     35     path.addRect(r);
     36     CHECK(kNoError_SkError);
     37 
     38     path.addRoundRect(r, 10, 10);
     39     CHECK(kNoError_SkError);
     40 
     41     // should trigger the default error callback, which just prints to the screen.
     42     path.addRoundRect(r, -10, -10);
     43     CHECK(kInvalidArgument_SkError);
     44     CHECK(kNoError_SkError);
     45 
     46     int test_value = 0xdeadbeef;
     47     SkSetErrorCallback(cb, &test_value);
     48 
     49     // should trigger *our* callback.
     50     path.addRoundRect(r, -10, -10);
     51     CHECK(kInvalidArgument_SkError);
     52     CHECK(kNoError_SkError);
     53 
     54     // Should trigger the default one again.
     55     SkSetErrorCallback(NULL, NULL);
     56     path.addRoundRect(r, -10, -10);
     57     CHECK(kInvalidArgument_SkError);
     58     CHECK(kNoError_SkError);
     59 }
     60 
     61 #include "TestClassDef.h"
     62 DEFINE_TESTCLASS("Error", ErrorTestClass, ErrorTest)
     63