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 "SkError.h"
9 #include "SkPath.h"
10 #include "SkRect.h"
11 #include "Test.h"
12 
13 typedef struct {
14     skiatest::Reporter *fReporter;
15     unsigned int *fIntPointer;
16 } ErrorContext;
17 
18 #define CHECK(errcode)                                                        \
19   REPORTER_ASSERT( reporter, (err = SkGetLastError()) == errcode);            \
20   if (err != kNoError_SkError)                                                \
21   {                                                                           \
22      SkClearLastError();                                                      \
23   }
24 
cb(SkError err,void * context)25 static void cb(SkError err, void *context) {
26     ErrorContext *context_ptr = static_cast<ErrorContext *>(context);
27     REPORTER_ASSERT( context_ptr->fReporter, (*(context_ptr->fIntPointer) == 0xdeadbeef) );
28 }
29 
DEF_TEST(Error,reporter)30 DEF_TEST(Error, reporter) {
31     // Some previous user of this thread may have left an error laying around.
32     SkClearLastError();
33 
34     SkError err;
35 
36     unsigned int test_value = 0xdeadbeef;
37     ErrorContext context;
38     context.fReporter = reporter;
39     context.fIntPointer = &test_value;
40 
41     SkSetErrorCallback(cb, &context);
42 
43     CHECK(kNoError_SkError);
44 
45     SkRect r = SkRect::MakeWH(50, 100);
46     CHECK(kNoError_SkError);
47 
48     SkPath path;
49     path.addRect(r);
50     CHECK(kNoError_SkError);
51 
52     path.addRoundRect(r, 10, 10);
53     CHECK(kNoError_SkError);
54 
55     // should trigger the default error callback, which just prints to the screen.
56     path.addRoundRect(r, -10, -10);
57     CHECK(kInvalidArgument_SkError);
58     CHECK(kNoError_SkError);
59 
60     // should trigger *our* callback.
61     path.addRoundRect(r, -10, -10);
62     CHECK(kInvalidArgument_SkError);
63     CHECK(kNoError_SkError);
64 }
65