26int64 juce_fileSetPosition (
void* handle, int64 pos);
50 jassert (buffer !=
nullptr && bytesToRead >= 0);
52 auto num = readInternal (buffer, (
size_t) bytesToRead);
53 currentPosition += (int64) num;
65 return currentPosition;
73 if (pos != currentPosition)
74 currentPosition = juce_fileSetPosition (fileHandle, pos);
76 return currentPosition == pos;
84struct FileInputStreamTests final :
public UnitTest
86 FileInputStreamTests()
87 :
UnitTest (
"FileInputStream", UnitTestCategories::streams)
90 void runTest()
override
92 beginTest (
"Open stream non-existent file");
95 expect (! tempFile.exists());
97 FileInputStream stream (tempFile);
98 expect (stream.failedToOpen());
101 beginTest (
"Open stream existing file");
105 expect (tempFile.exists());
107 FileInputStream stream (tempFile);
108 expect (stream.openedOk());
111 const MemoryBlock data (
"abcdefghijklmnopqrstuvwxyz", 26);
113 f.appendData (data.getData(), data.getSize());
114 FileInputStream stream (f);
118 expectEquals (stream.getPosition(), (int64) 0);
119 expectEquals (stream.getTotalLength(), (int64) data.getSize());
120 expectEquals (stream.getNumBytesRemaining(), stream.getTotalLength());
121 expect (! stream.isExhausted());
123 size_t numBytesRead = 0;
124 MemoryBlock readBuffer (data.getSize());
126 while (numBytesRead < data.getSize())
128 numBytesRead += (size_t) stream.read (&readBuffer[numBytesRead], 3);
130 expectEquals (stream.getPosition(), (int64) numBytesRead);
131 expectEquals (stream.getNumBytesRemaining(), (int64) (data.getSize() - numBytesRead));
132 expect (stream.isExhausted() == (numBytesRead == data.getSize()));
135 expectEquals (stream.getPosition(), (int64) data.getSize());
136 expectEquals (stream.getNumBytesRemaining(), (int64) 0);
137 expect (stream.isExhausted());
139 expect (readBuffer == data);
144 stream.setPosition (0);
145 expectEquals (stream.getPosition(), (int64) 0);
146 expectEquals (stream.getTotalLength(), (int64) data.getSize());
147 expectEquals (stream.getNumBytesRemaining(), stream.getTotalLength());
148 expect (! stream.isExhausted());
150 size_t numBytesRead = 0;
151 const int numBytesToSkip = 5;
153 while (numBytesRead < data.getSize())
155 stream.skipNextBytes (numBytesToSkip);
156 numBytesRead += numBytesToSkip;
157 numBytesRead = std::min (numBytesRead, data.getSize());
159 expectEquals (stream.getPosition(), (int64) numBytesRead);
160 expectEquals (stream.getNumBytesRemaining(), (int64) (data.getSize() - numBytesRead));
161 expect (stream.isExhausted() == (numBytesRead == data.getSize()));
164 expectEquals (stream.getPosition(), (int64) data.getSize());
165 expectEquals (stream.getNumBytesRemaining(), (int64) 0);
166 expect (stream.isExhausted());
173static FileInputStreamTests fileInputStreamTests;
static File createTempFile(StringRef fileNameEnding)