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#include <cgreen/cgreen.h>
#include <cgreen/mocks.h>
#include "stream.h"
Describe(Formatter);
BeforeEach(Formatter) {}
AfterEach(Formatter) {}
static int reader(void *stream) {
return (int)mock(stream);
}
static void writer(void *stream, char *paragraph) {
mock(stream, paragraph);
}
Ensure(Formatter, makes_one_letter_paragraph_from_one_character_input) {
expect(reader, will_return('a'));
always_expect(reader, will_return(EOF));
expect(writer, when(paragraph, is_equal_to_string("a")));
by_paragraph(&reader, NULL, &writer, NULL);
}
Ensure(Formatter, makes_one_paragraph_if_no_line_endings) {
expect(reader, will_return('a'));
expect(reader, will_return(' '));
expect(reader, will_return('b'));
expect(reader, will_return(' '));
expect(reader, will_return('c'));
always_expect(reader, will_return(EOF));
expect(writer, when(paragraph, is_equal_to_string("a b c")));
by_paragraph(&reader, NULL, &writer, NULL);
}
Ensure(Formatter, generates_separate_paragraphs_for_line_endings) {
expect(reader, will_return('a'));
expect(reader, will_return('\n'));
expect(reader, will_return('b'));
expect(reader, will_return('\n'));
expect(reader, will_return('c'));
always_expect(reader, will_return(EOF));
expect(writer, when(paragraph, is_equal_to_string("a")));
expect(writer, when(paragraph, is_equal_to_string("b")));
expect(writer, when(paragraph, is_equal_to_string("c")));
by_paragraph(&reader, NULL, &writer, NULL);
}
Ensure(Formatter, pairs_the_functions_with_the_resources) {
expect(reader, when(stream, is_equal_to(1)), will_return('a'));
always_expect(reader, when(stream, is_equal_to(1)), will_return(EOF));
expect(writer, when(stream, is_equal_to(2)));
by_paragraph(&reader, (void *)1, &writer, (void *)2);
}
Ensure(Formatter, ignores_empty_paragraphs) {
expect(reader, will_return('\n'));
always_expect(reader, will_return(EOF));
never_expect(writer);
by_paragraph(&reader, NULL, &writer, NULL);
}
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