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