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#include <cgreen/cgreen.h>
#include <cgreen/mocks.h>
static int reader(void *stream) {
return (int)mock(stream);
}
static void writer(void *stream, char *paragraph) {
mock(stream, paragraph);
}
char *read_paragraph(int (*read)(void *), void *stream);
void by_paragraph(int (*read)(void *), void *in, void (*write)(void *, char *), void *out) {
while (1) {
char *line = read_paragraph(read, in);
if ((line == NULL) || (strlen(line) == 0)) {
return;
}
(*write)(out, line);
free(line);
}
}
static int stub_stream(void *stream) {
return (int)mock(stream);
}
static void update_counter(void * counter) {
*(int*)counter = *(int*)counter + 1;
}
Ensure(using_side_effect) {
int number_of_times_reader_was_called = 0;
expect(reader, will_return('\n'));
always_expect(reader,
will_return(EOF),
with_side_effect(&update_counter,
&number_of_times_reader_was_called));
never_expect(writer);
by_paragraph(&reader, NULL, &writer, NULL);
assert_that(number_of_times_reader_was_called, is_equal_to(1));
}
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