diff options
| -rw-r--r-- | tests/test_other.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/test_other.py b/tests/test_other.py index 6e04ead5..14c3f00b 100644 --- a/tests/test_other.py +++ b/tests/test_other.py @@ -2869,4 +2869,26 @@ int main(int argc, char **argv) { assert 'eval.' not in src assert 'new Function' not in src + def test_init_file_at_offset(self): + open('src.cpp', 'w').write(r''' + #include <stdio.h> + int main() { + int data = 0x12345678; + FILE *f = fopen("test.dat", "wb"); + fseek(f, 100, SEEK_CUR); + fwrite(&data, 4, 1, f); + fclose(f); + + int data2; + f = fopen("test.dat", "rb"); + fread(&data2, 4, 1, f); // should read 0s, not that int we wrote at an offset + printf("read: %d\n", data2); + fseek(f, 0, SEEK_END); + int size = ftell(f); // should be 104, not 4 + fclose(f); + printf("file size is %d\n", size); + } + ''') + Popen([PYTHON, EMCC, 'src.cpp']).communicate() + self.assertContained('read: 0\nfile size is 104\n', run_js('a.out.js')) |