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#include <criterion/criterion.h>
#include <criterion/assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "editor.h"
#include "vector.h"
#include "log.h"
DEFINE_VECTOR(Vec_slinep, struct line *);
#define cr_assert_eb_eq(eb, row, col) \
cr_assert_eq(eb_get_cur_row(eb), row); \
cr_assert_eq(eb_get_cur_col(eb), col); \
#define cr_assert_slice_eq(actual, expected) \
if ((actual).len == 0) { \
cr_assert_str_empty(expected); \
} else { \
cr_assert_eq(strlen(expected), (actual).len); \
for (size_t i = 0; i < (actual).len; i++) \
cr_assert_eq((actual).ptr[i], expected[i]); \
} \
Test(editor_suite, init) {
struct ed_buf *eb = NULL;
eb_init(&eb);
cr_assert_not_null(eb);
cr_assert_eb_eq(eb, 0, 0);
eb_free(eb);
}
Test(editor_suite, not_middle_of_line) {
struct ed_buf *eb = NULL;
eb_init(&eb);
eb_insert(eb, 'r');
eb_insert(eb, 'e');
eb_insert(eb, 'd');
struct slice sl = {};
eb_get_line_slice(eb, 0, &sl);
cr_assert_slice_eq(sl, "red");
cr_assert_eb_eq(eb, 0, 3);
eb_backspace(eb);
eb_get_line_slice(eb, 0, &sl);
cr_assert_slice_eq(sl, "re");
cr_assert_eb_eq(eb, 0, 2);
for (int i = 0; i < 10; i++)
eb_backspace(eb);
eb_get_line_slice(eb, 0, &sl);
cr_assert_slice_eq(sl, "");
cr_assert_eb_eq(eb, 0, 0);
eb_insert(eb, 'r');
eb_insert(eb, 'e');
eb_insert(eb, 'd');
eb_newline(eb);
eb_insert(eb, 'p');
eb_insert(eb, 'e');
eb_insert(eb, 'p');
eb_insert(eb, 'p');
eb_insert(eb, 'e');
eb_insert(eb, 'r');
/* red *
* pepper_ */
cr_assert_eb_eq(eb, 1, 6);
for (int i = 0; i < 6; i++)
eb_backspace(eb);
eb_get_line_slice(eb, 1, &sl);
cr_assert_slice_eq(sl, "");
cr_assert_eb_eq(eb, 1, 0);
eb_backspace(eb); /* delete newline */
eb_get_line_slice(eb, 0, &sl);
cr_assert_slice_eq(sl, "red");
cr_assert_eb_eq(eb, 0, 3);
eb_free(eb);
}
Test(editor_suite, cursor_move) {
cr_assert_fail("TODO");
}
// TODO: Test editing operations in the middle of a line
Test(editor_suite, middle_of_line) {
struct ed_buf *eb = NULL;
struct slice sl = {};
log_init(RED_LOG_DEBUG, stdout);
eb_init(&eb);
cr_assert_eb_eq(eb, 0, 0);
cr_assert_eq(eb_get_line_num(eb), 0);
// Create initial line: "abcdef"
eb_insert(eb, 'a'); eb_insert(eb, 'b'); eb_insert(eb, 'c');
eb_insert(eb, 'd'); eb_insert(eb, 'e'); eb_insert(eb, 'f');
cr_assert_eb_eq(eb, 0, 6);
cr_assert_eq(eb_get_line_num(eb), 1);
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abcdef");
// Move cursor to the middle (after 'c', col 3)
eb_set_cur_backward(eb); // @ 0,5
eb_set_cur_backward(eb); // @ 0,4
eb_set_cur_backward(eb); // @ 0,3
cr_assert_eb_eq(eb, 0, 3);
// Insert 'X' at (0, 3)
eb_insert(eb, 'X'); // "abcXdef"
cr_assert_eb_eq(eb, 0, 4); // Cursor moved to after 'X'
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abcXdef");
// Insert 'Y' at (0, 4) (which is between 'X' and 'd')
eb_insert(eb, 'Y'); // "abcXYdef"
cr_assert_eb_eq(eb, 0, 5); // Cursor moved after 'Y'
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abcXYdef");
// Move cursor back to (0, 3) (between 'c' and 'X')
eb_set_cur_backward(eb); // @ 0,4 (after 'X')
eb_set_cur_backward(eb); // @ 0,3 (after 'c')
cr_assert_eb_eq(eb, 0, 3);
// Backspace from (0, 3) (deletes character BEFORE cursor: 'c')
eb_backspace(eb); // "abXYdef"
cr_assert_eb_eq(eb, 0, 2); // Cursor moved to after 'b'
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abXYdef");
// Backspace from (0, 2) (deletes 'b')
eb_backspace(eb); // "aXYdef"
cr_assert_eb_eq(eb, 0, 1); // Cursor at (0, 1)
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "aXYdef");
// Backspace from (0, 1) (deletes 'a')
eb_backspace(eb); // "XYdef"
cr_assert_eb_eq(eb, 0, 0); // Cursor at (0, 0)
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "XYdef");
// Test newline in the middle
eb_free(eb); // Reset buffer
eb_init(&eb);
eb_insert(eb, 'a'); eb_insert(eb, 'b'); eb_insert(eb, 'c');
eb_insert(eb, 'd'); eb_insert(eb, 'e'); // "abcde" @ 0,5
cr_assert_eb_eq(eb, 0, 5);
cr_assert_eq(eb_get_line_num(eb), 1);
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abcde");
// Move cursor to (0, 3) (after 'c')
eb_set_cur_backward(eb); // @ 0,4
eb_set_cur_backward(eb); // @ 0,3
cr_assert_eb_eq(eb, 0, 3);
// Call newline at (0, 3)
eb_newline(eb); // "abc" \n "de"
cr_assert_eb_eq(eb, 1, 0); // Cursor moves to start of new line
cr_assert_eq(eb_get_line_num(eb), 2); // Should now have 2 lines
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abc");
eb_get_line_slice(eb, 1, &sl); cr_assert_slice_eq(sl, "de");
// Test backspace (line join) from the start of line 1
// Cursor is currently at (1, 0)
eb_backspace(eb); // Joins line 1 ("de") to line 0 ("abc") -> "abcde"
// Cursor moves to the end of the original line 0, which was length 3
cr_assert_eb_eq(eb, 0, 3); // Cursor at (0, 3)
cr_assert_eq(eb_get_line_num(eb), 1); // Back to 1 line
eb_get_line_slice(eb, 0, &sl); cr_assert_slice_eq(sl, "abcde");
eb_free(eb);
}
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