void test_io_read_into_buffer() {
int fds[2];
TS_ASSERT(!pipe(fds));
TestChannelObject chan(state);
event::Read* read = new event::Read(state, &chan, fds[0]);
IOBuffer *buf = IOBuffer::create(state, 12);
read->into_buffer(buf, 1);
TS_ASSERT_EQUALS(buf->used(), Fixnum::from(0));
TS_ASSERT_EQUALS(buf->start(), Fixnum::from(0));
state->events->start(read);
TS_ASSERT(!chan.called);
state->events->poll();
TS_ASSERT(!chan.called);
/* Write some garbage into the buffer to be sure it's overridden */
char* str = buf->byte_address();
str[0] = str[1] = 47;
TS_ASSERT_EQUALS(write(fds[1], "!", 1),1);
state->events->poll();
TS_ASSERT(chan.called);
TS_ASSERT_EQUALS(chan.value, Fixnum::from(1));
TS_ASSERT_EQUALS(buf->used(), Fixnum::from(1));
TS_ASSERT_EQUALS(buf->start(), Fixnum::from(0));
TS_ASSERT_EQUALS(str[0], '!');
TS_ASSERT_EQUALS(str[1], 0);
close(fds[0]);
close(fds[1]);
}
