josh/jes
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

test more undo/redo change unit combinations

Browse Source
This commit is contained in:
Josh Holtrop 2017-01-15 21:16:55 -05:00
parent af77c97394
commit cd0efc431d
1 changed files with 82 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
test/src/test_Buffer.cc
View File

@ -308,6 +308,55 @@ TEST(BufferTest, erases_in_uncommitted_insert_units_modify_the_insert_units)
EXPECT_EQ(C('b'), **it);
}
TEST(BufferTest, erases_outside_uncommitted_insert_units_start_new_units_within_the_same_operation)
{
std::string s("abcdef\n");
Buffer b((const uint8_t *)&s[0], s.size());
auto it = b.add_cursor();
it->go_right_in_line(false);
b.enter_insert_mode();
b.insert_code_point(*it, C('1'));
b.insert_code_point(*it, C('2'));
b.erase_code_point(*it);
b.exit_insert_mode();
EXPECT_EQ(1u, b.m_change_operations.size());
EXPECT_EQ(ss("a12cdef\n"), b.get_string());
EXPECT_EQ(C('c'), **it);
b.undo();
EXPECT_EQ(ss("abcdef\n"), b.get_string());
EXPECT_EQ(C('c'), **it);
b.redo();
EXPECT_EQ(ss("a12cdef\n"), b.get_string());
EXPECT_EQ(C('c'), **it);
b.enter_insert_mode();
b.insert_code_point(*it, C('3'));
it->go_start_of_line();
b.erase_code_point(*it);
b.exit_insert_mode();
EXPECT_EQ("123cdef\n", b.get_string());
EXPECT_EQ(C('1'), **it);
b.undo();
EXPECT_EQ("a12cdef\n", b.get_string());
EXPECT_EQ(C('1'), **it);
b.undo();
EXPECT_EQ("abcdef\n", b.get_string());
EXPECT_EQ(C('b'), **it);
b.redo();
EXPECT_EQ("a12cdef\n", b.get_string());
EXPECT_EQ(C('c'), **it);
b.redo();
EXPECT_EQ("123cdef\n", b.get_string());
EXPECT_EQ(C('c'), **it);
}
TEST(BufferTest, a_insert_change_unit_is_dropped_if_everything_in_it_is_erased_before_committing)
{
std::string s("abc\n");
@ -355,3 +404,36 @@ TEST(BufferTest, non_adjacent_inserts_in_insert_mode_create_a_single_change_oper
b.undo();
EXPECT_EQ("abc\n", b.get_string());
}
TEST(BufferTest, erase_then_insert_creates_single_change_operation)
{
std::string s("abc\n");
Buffer b((const uint8_t *)&s[0], s.size());
auto it = b.add_cursor();
b.enter_insert_mode();
b.erase_code_point(*it);
b.insert_code_point(*it, C('1'));
b.exit_insert_mode();
EXPECT_EQ("1bc\n", b.get_string());
b.undo();
EXPECT_EQ("abc\n", b.get_string());
}
TEST(BufferTest, non_adjacent_erases_create_a_single_change_operation)
{
std::string s("abc\n");
Buffer b((const uint8_t *)&s[0], s.size());
auto it = b.add_cursor();
b.enter_insert_mode();
b.erase_code_point(*it);
it->go_right_in_line(false);
b.erase_code_point(*it);
b.exit_insert_mode();
EXPECT_EQ("b\n", b.get_string());
b.undo();
EXPECT_EQ(ss("abc\n"), b.get_string());
}