1
2 /*
3 * Copyright 2011 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 "SkColor.h"
10 #include "SkXfermode.h"
11
bogusXfermodeProc(SkPMColor src,SkPMColor dst)12 SkPMColor bogusXfermodeProc(SkPMColor src, SkPMColor dst) {
13 return 42;
14 }
15
16 #define ILLEGAL_MODE ((SkXfermode::Mode)-1)
17
test_asMode(skiatest::Reporter * reporter)18 static void test_asMode(skiatest::Reporter* reporter) {
19 for (int mode = 0; mode <= SkXfermode::kLastMode; mode++) {
20 SkXfermode* xfer = SkXfermode::Create((SkXfermode::Mode) mode);
21
22 SkXfermode::Mode reportedMode = ILLEGAL_MODE;
23 REPORTER_ASSERT(reporter, reportedMode != mode);
24
25 // test IsMode
26 REPORTER_ASSERT(reporter, SkXfermode::IsMode(xfer, &reportedMode));
27 REPORTER_ASSERT(reporter, reportedMode == mode);
28
29 // repeat that test, but with asMode instead
30 if (xfer) {
31 reportedMode = (SkXfermode::Mode) -1;
32 REPORTER_ASSERT(reporter, xfer->asMode(&reportedMode));
33 REPORTER_ASSERT(reporter, reportedMode == mode);
34 xfer->unref();
35 } else {
36 REPORTER_ASSERT(reporter, SkXfermode::kSrcOver_Mode == mode);
37 }
38 }
39
40 SkXfermode* bogusXfer = new SkProcXfermode(bogusXfermodeProc);
41 SkXfermode::Mode reportedMode = (SkXfermode::Mode) -1;
42 REPORTER_ASSERT(reporter, !bogusXfer->asMode(&reportedMode));
43 REPORTER_ASSERT(reporter, reportedMode == -1);
44 REPORTER_ASSERT(reporter, !SkXfermode::IsMode(bogusXfer, &reportedMode));
45 REPORTER_ASSERT(reporter, reportedMode == -1);
46 bogusXfer->unref();
47 }
48
test_IsMode(skiatest::Reporter * reporter)49 static void test_IsMode(skiatest::Reporter* reporter) {
50 REPORTER_ASSERT(reporter, SkXfermode::IsMode(NULL,
51 SkXfermode::kSrcOver_Mode));
52
53 for (int i = 0; i <= SkXfermode::kLastMode; ++i) {
54 SkXfermode::Mode mode = (SkXfermode::Mode)i;
55
56 SkXfermode* xfer = SkXfermode::Create(mode);
57 REPORTER_ASSERT(reporter, SkXfermode::IsMode(xfer, mode));
58 SkSafeUnref(xfer);
59
60 if (SkXfermode::kSrcOver_Mode != mode) {
61 REPORTER_ASSERT(reporter, !SkXfermode::IsMode(NULL, mode));
62 }
63 }
64 }
65
test_xfermodes(skiatest::Reporter * reporter)66 static void test_xfermodes(skiatest::Reporter* reporter) {
67 test_asMode(reporter);
68 test_IsMode(reporter);
69 }
70
71 #include "TestClassDef.h"
72 DEFINE_TESTCLASS("Xfermode", XfermodeTestClass, test_xfermodes)
73