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Trying to fix seek() / peek() interactions.

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This commit is contained in:
David A. Mellis
2010-12-22 16:37:48 -06:00
parent 4742739d6e
commit a7a8f3fa10
4 changed files with 169 additions and 11 deletions
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20
libraries/ArduinoTestSuite/examples/ATS_SD_File/ATS_SD_File.pde
View File

@ -15,21 +15,17 @@ void setup()
ATS_PrintTestStatus("SD.begin()", b = SD.begin(4));
if (!b) goto done;
f = SD.open("test.txt", FILE_TRUNCATE);
SD.remove("test.txt");
f = SD.open("test.txt", FILE_WRITE);
ATS_PrintTestStatus("SD.open()", f);
if (!f) goto done;
f.print("1234");
f.print("abc");
f.print("de");
f.close();
f = SD.open("test.txt", FILE_TRUNCATE);
ATS_PrintTestStatus("SD.open()", f);
if (!f) goto done;
f.print("abcde");
f.close();
f = SD.open("test.txt", FILE_APPEND);
f = SD.open("test.txt", FILE_WRITE);
ATS_PrintTestStatus("SD.open()", f);
if (!f) goto done;
@ -70,8 +66,10 @@ void setup()
ATS_PrintTestStatus("read()", f.read() == -1);
f.close();
SD.remove("test2.txt");
f = SD.open("test2.txt", FILE_TRUNCATE);
f = SD.open("test2.txt", FILE_WRITE);
ATS_PrintTestStatus("SD.open()", f);
if (!f) goto done;

91
libraries/ArduinoTestSuite/examples/ATS_SD_Seek/ATS_SD_Seek.pde Normal file
View File

@ -0,0 +1,91 @@
// Tests writing to and reading from a file, in particular the
// the Stream implementation (e.g. read() and peek()).
#include <SD.h>
#include <ArduinoTestSuite.h>
void setup()
{
int startMemoryUsage = ATS_GetFreeMemory();
boolean b;
File f;
ATS_begin("Arduino", "SD Test");
ATS_PrintTestStatus("SD.begin()", b = SD.begin(4));
if (!b) goto done;
SD.remove("test.txt");
f = SD.open("test.txt", FILE_WRITE);
ATS_PrintTestStatus("SD.open()", f);
if (!f) goto done;
ATS_PrintTestStatus("initial position", f.position() == 0);
ATS_PrintTestStatus("initial size", f.size() == 0);
f.print("0123456789");
ATS_PrintTestStatus("position after writing", f.position() == 10);
ATS_PrintTestStatus("size after writing", f.size() == 10);
f.seek(0);
ATS_PrintTestStatus("size after seek", f.size() == 10);
ATS_PrintTestStatus("position after seek", f.position() == 0);
f.seek(7);
ATS_PrintTestStatus("position after seek", f.position() == 7);
ATS_PrintTestStatus("reading after seek", f.read() == '7');
ATS_PrintTestStatus("position after reading after seeking", f.position() == 8);
ATS_PrintTestStatus("reading after reading after seeking", f.read() == '8');
f.seek(3);
ATS_PrintTestStatus("position after seeking", f.position() == 3);
ATS_PrintTestStatus("peeking after seeking", f.peek() == '3');
ATS_PrintTestStatus("position after peeking after seeking", f.position() == 3);
ATS_PrintTestStatus("peeking after peeking after seeking", f.peek() == '3');
ATS_PrintTestStatus("position after peeking after seeking", f.position() == 3);
ATS_PrintTestStatus("peeking after peeking after seeking", f.read() == '3');
ATS_PrintTestStatus("position after peeking after seeking", f.position() == 4);
f.seek(1);
ATS_PrintTestStatus("position after seeking", f.position() == 1);
ATS_PrintTestStatus("peeking after seeking", f.peek() == '1');
f.seek(4);
ATS_PrintTestStatus("position after seeking", f.position() == 4);
ATS_PrintTestStatus("peeking after seeking", f.peek() == '4');
f.seek(7);
ATS_PrintTestStatus("position()", f.position() == 7);
ATS_PrintTestStatus("read()", f.read() == '7');
f.seek(0);
f.peek();
f.print("AB");
ATS_PrintTestStatus("position()", f.position() == 2);
ATS_PrintTestStatus("size()", f.size() == 10);
ATS_PrintTestStatus("read()", f.read() == '2');
f.seek(0);
ATS_PrintTestStatus("read()", f.read() == 'A');
ATS_PrintTestStatus("read()", f.read() == 'B');
ATS_PrintTestStatus("read()", f.read() == '2');
f.close();
done:
ATS_ReportMemoryUsage(startMemoryUsage);
ATS_end();
}
void loop() {}