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more BufferView tests, 100% coverage

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This commit is contained in:
Josh Holtrop 2017-09-04 15:45:10 -04:00
parent f3604e1850
commit 74dfb7ce78
1 changed files with 93 additions and 0 deletions
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93
test/src/test_BufferView.cc
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@ -189,3 +189,96 @@ TEST(BufferViewTest, adjusts_cursor_row_as_cursor_moves)
bv.update();
EXPECT_EQ(0, bv.cursor_screen_row());
}
TEST(BufferViewTest, adjusts_cursor_row_as_cursor_moves_with_scroll_offset_1)
{
auto b = buffer1();
auto iterator = b->add_iterator();
BufferView bv(b, iterator, Cwd);
bv.resize(5, 5);
bv.set_scroll_offset(1);
bv.update();
EXPECT_EQ(0, bv.cursor_screen_row());
iterator->go_next_line(); // to 1
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_next_line(); // to 2
bv.update();
EXPECT_EQ(2, bv.cursor_screen_row());
iterator->go_next_line(); // to 3
bv.update();
EXPECT_EQ(3, bv.cursor_screen_row());
iterator->go_next_line(); // to 4
bv.update();
EXPECT_EQ(3, bv.cursor_screen_row());
iterator->go_next_line(); // to 5
bv.update();
EXPECT_EQ(3, bv.cursor_screen_row());
iterator->go_next_line(); // to 6
bv.update();
EXPECT_EQ(3, bv.cursor_screen_row());
iterator->go_next_line(); // to 7
bv.update();
EXPECT_EQ(3, bv.cursor_screen_row());
iterator->go_previous_line(); // to 6
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 5
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 4
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 3
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 2
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 1
bv.update();
EXPECT_EQ(1, bv.cursor_screen_row());
iterator->go_previous_line(); // to 0
bv.update();
EXPECT_EQ(0, bv.cursor_screen_row());
}
TEST(BufferViewTest, moves_view_down_while_traversing_a_wrapped_line)
{
auto b = buffer1();
auto iterator = b->add_iterator();
BufferView bv(b, iterator, Cwd);
bv.resize(4, 10);
for (int i = 0; i < 9; i++)
{
iterator->go_next_line();
bv.update();
}
EXPECT_EQ(9, bv.cursor_screen_row());
EXPECT_EQ(0, bv.cursor_screen_column());
EXPECT_EQ(0, bv.cursor_virtual_column());
for (int i = 0; i < 3; i++)
{
iterator->go_forward();
bv.update();
EXPECT_EQ(9, bv.cursor_screen_row());
EXPECT_EQ(1 + i, bv.cursor_screen_column());
EXPECT_EQ(1 + i, bv.cursor_virtual_column());
}
for (int i = 0; i < 4; i++)
{
iterator->go_forward();
bv.update();
EXPECT_EQ(9, bv.cursor_screen_row());
EXPECT_EQ(i, bv.cursor_screen_column());
EXPECT_EQ(4 + i, bv.cursor_virtual_column());
}
for (int i = 0; i < 4; i++)
{
iterator->go_forward();
bv.update();
EXPECT_EQ(9, bv.cursor_screen_row());
EXPECT_EQ(i, bv.cursor_screen_column());
EXPECT_EQ(8 + i, bv.cursor_virtual_column());
}
}