tests/DocumentTest.cpp - Issue 1278403006: SkPDF: clean up overuse of SK_SUPPORT_PDF

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Issue 1278403006: SkPDF: clean up overuse of SK_SUPPORT_PDF (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: 2015-08-11 (Tuesday) 16:25:36 EDT Created 5 years, 4 months ago

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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 #include "Test.h"

8

9 #include "SkCanvas.h"

10 #include "SkDocument.h"

11 #include "SkOSFile.h"

12 #include "SkStream.h"

13 #if SK_SUPPORT_PDF

14

15 static void test_empty(skiatest::Reporter* reporter) {

16 SkDynamicMemoryWStream stream;

17

18 SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&stream));

19

20 doc->close();

21

22 REPORTER_ASSERT(reporter, stream.bytesWritten() == 0);

23 }

24

25 static void test_abort(skiatest::Reporter* reporter) {

26 SkDynamicMemoryWStream stream;

27 SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&stream));

28

29 SkCanvas* canvas = doc->beginPage(100, 100);

30 canvas->drawColor(SK_ColorRED);

31 doc->endPage();

32

33 doc->abort();

34

35 REPORTER_ASSERT(reporter, stream.bytesWritten() == 0);

36 }

37

38 static void test_abortWithFile(skiatest::Reporter* reporter) {

39 SkString tmpDir = skiatest::GetTmpDir();

40

41 if (tmpDir.isEmpty()) {

42 return; // TODO(edisonn): unfortunatelly this pattern is used in other

43 // tests, but if GetTmpDir() starts returning and empty dir

44 // allways, then all these tests will be disabled.

45 }

46

47 SkString path = SkOSPath::Join(tmpDir.c_str(), "aborted.pdf");

48

49 // Make sure doc's destructor is called to flush.

50 {

51 SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(path.c_str()));

52

53 SkCanvas* canvas = doc->beginPage(100, 100);

54 canvas->drawColor(SK_ColorRED);

55 doc->endPage();

56

57 doc->abort();

58 }

59

60 FILE* file = fopen(path.c_str(), "r");

61 // The created file should be empty.

62 char buffer[100];

63 REPORTER_ASSERT(reporter, fread(buffer, 1, 1, file) == 0);

64 fclose(file);

65 }

66

67 static void test_file(skiatest::Reporter* reporter) {

68 SkString tmpDir = skiatest::GetTmpDir();

69 if (tmpDir.isEmpty()) {

70 return; // TODO(edisonn): unfortunatelly this pattern is used in other

71 // tests, but if GetTmpDir() starts returning and empty dir

72 // allways, then all these tests will be disabled.

73 }

74

75 SkString path = SkOSPath::Join(tmpDir.c_str(), "file.pdf");

76

77 SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(path.c_str()));

78

79 SkCanvas* canvas = doc->beginPage(100, 100);

80

81 canvas->drawColor(SK_ColorRED);

82 doc->endPage();

83 doc->close();

84

85 FILE* file = fopen(path.c_str(), "r");

86 REPORTER_ASSERT(reporter, file != NULL);

87 char header[100];

88 REPORTER_ASSERT(reporter, fread(header, 4, 1, file) != 0);

89 REPORTER_ASSERT(reporter, strncmp(header, "%PDF", 4) == 0);

90 fclose(file);

91 }

92

93 static void test_close(skiatest::Reporter* reporter) {

94 SkDynamicMemoryWStream stream;

95 SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&stream));

96

97 SkCanvas* canvas = doc->beginPage(100, 100);

98 canvas->drawColor(SK_ColorRED);

99 doc->endPage();

100

101 doc->close();

102

103 REPORTER_ASSERT(reporter, stream.bytesWritten() != 0);

104 }

105

106 DEF_TEST(document_tests, reporter) {

107 test_empty(reporter);

108 test_abort(reporter);

109 test_abortWithFile(reporter);

110 test_file(reporter);

111 test_close(reporter);

112 }

113 #endif // SK_SUPPORT_PDF

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