vim-patch:9.1.0917: various vartabstop and shiftround bugs when shifting lines

Problem:  various vartabstop and shiftround bugs when shifting lines
Solution: Fix the bugs, add new tests for shifting lines in various ways
          (Gary Johnson)

fixes: vim/vim#14891
closes: vim/vim#16193

eed63f96d2

Co-authored-by: Gary Johnson <garyjohn@spocom.com>
This commit is contained in:
zeertzjq 2024-12-10 14:05:39 +08:00
parent 6c81c16e1b
commit e4bb185441
2 changed files with 931 additions and 17 deletions

View File

@ -274,21 +274,53 @@ void op_shift(oparg_T *oap, bool curs_top, int amount)
changed_lines(curbuf, oap->start.lnum, 0, oap->end.lnum + 1, 0, true);
}
/// Shift the current line one shiftwidth left (if left != 0) or right
/// leaves cursor on first blank in the line.
///
/// @param call_changed_bytes call changed_bytes()
void shift_line(bool left, bool round, int amount, int call_changed_bytes)
/// Return the tabstop width at the index of the variable tabstop array. If an
/// index greater than the length of the array is given, the last tabstop width
/// in the array is returned.
static int get_vts(const int *vts_array, int index)
{
int sw_val = get_sw_value_indent(curbuf, left);
if (sw_val == 0) {
sw_val = 1; // shouldn't happen, just in case
int ts;
if (index < 1) {
ts = 0;
} else if (index <= vts_array[0]) {
ts = vts_array[index];
} else {
ts = vts_array[vts_array[0]];
}
return ts;
}
/// Return the sum of all the tabstops through the index-th.
static int get_vts_sum(const int *vts_array, int index)
{
int sum = 0;
int i;
// Perform the summation for indeces within the actual array.
for (i = 1; i <= index && i <= vts_array[0]; i++) {
sum += vts_array[i];
}
// Add topstops whose indeces exceed the actual array.
if (i <= index) {
sum += vts_array[vts_array[0]] * (index - vts_array[0]);
}
return sum;
}
/// @param left true if shift is to the left
/// @param count true if new indent is to be to a tabstop
/// @param amount number of shifts
static int64_t get_new_sw_indent(bool left, bool round, int64_t amount, int64_t sw_val)
{
int64_t count = get_indent(); // get current indent
if (round) { // round off indent
int i = trim_to_int(count / sw_val); // number of 'shiftwidth' rounded down
int j = trim_to_int(count % sw_val); // extra spaces
int64_t i = trim_to_int(count / sw_val); // number of 'shiftwidth' rounded down
int64_t j = trim_to_int(count % sw_val); // extra spaces
if (j && left) { // first remove extra spaces
amount--;
}
@ -297,15 +329,98 @@ void shift_line(bool left, bool round, int amount, int call_changed_bytes)
} else {
i += amount;
}
count = (int64_t)i * (int64_t)sw_val;
count = i * sw_val;
} else { // original vi indent
if (left) {
count = MAX(count - (int64_t)sw_val * (int64_t)amount, 0);
count = MAX(count - sw_val * amount, 0);
} else {
count += (int64_t)sw_val * (int64_t)amount;
count += sw_val * amount;
}
}
return count;
}
/// @param left true if shift is to the left
/// @param count true if new indent is to be to a tabstop
/// @param amount number of shifts
static int64_t get_new_vts_indent(bool left, bool round, int amount, int *vts_array)
{
int64_t indent = get_indent();
int vtsi = 0;
int vts_indent = 0;
int ts = 0; // Silence uninitialized variable warning.
// Find the tabstop at or to the left of the current indent.
while (vts_indent <= indent) {
vtsi++;
ts = get_vts(vts_array, vtsi);
vts_indent += ts;
}
vts_indent -= ts;
vtsi--;
// Extra indent spaces to the right of the tabstop
int64_t offset = indent - vts_indent;
if (round) {
if (left) {
if (offset == 0) {
indent = get_vts_sum(vts_array, vtsi - amount);
} else {
indent = get_vts_sum(vts_array, vtsi - (amount - 1));
}
} else {
indent = get_vts_sum(vts_array, vtsi + amount);
}
} else {
if (left) {
if (amount > vtsi) {
indent = 0;
} else {
indent = get_vts_sum(vts_array, vtsi - amount) + offset;
}
} else {
indent = get_vts_sum(vts_array, vtsi + amount) + offset;
}
}
return indent;
}
/// Shift the current line 'amount' shiftwidth(s) left (if 'left' is true) or
/// right.
///
/// The rules for choosing a shiftwidth are: If 'shiftwidth' is non-zero, use
/// 'shiftwidth'; else if 'vartabstop' is not empty, use 'vartabstop'; else use
/// 'tabstop'. The Vim documentation says nothing about 'softtabstop' or
/// 'varsofttabstop' affecting the shiftwidth, and neither affects the
/// shiftwidth in current versions of Vim, so they are not considered here.
///
/// @param left true if shift is to the left
/// @param count true if new indent is to be to a tabstop
/// @param amount number of shifts
/// @param call_changed_bytes call changed_bytes()
void shift_line(bool left, bool round, int amount, int call_changed_bytes)
{
int64_t count;
int64_t sw_val = curbuf->b_p_sw;
int64_t ts_val = curbuf->b_p_ts;
int *vts_array = curbuf->b_p_vts_array;
if (sw_val != 0) {
// 'shiftwidth' is not zero; use it as the shift size.
count = get_new_sw_indent(left, round, amount, sw_val);
} else if ((vts_array == NULL) || (vts_array[0] == 0)) {
// 'shiftwidth' is zero and 'vartabstop' is empty; use 'tabstop' as the
// shift size.
count = get_new_sw_indent(left, round, amount, ts_val);
} else {
// 'shiftwidth' is zero and 'vartabstop' is defined; use 'vartabstop'
// to determine the new indent.
count = get_new_vts_indent(left, round, amount, vts_array);
}
// Set new indent
if (State & VREPLACE_FLAG) {
change_indent(INDENT_SET, trim_to_int(count), false, call_changed_bytes);

View File

@ -108,10 +108,809 @@ func Test_ex_shift_errors()
call assert_fails('>!', 'E477:')
call assert_fails('<!', 'E477:')
" call assert_fails('2,1>', 'E493:')
call assert_fails('execute "2,1>"', 'E493:')
" call assert_fails('2,1<', 'E493:')
call assert_fails('execute "2,1<"', 'E493:')
call assert_fails('2,1>', 'E493:')
call assert_fails('2,1<', 'E493:')
endfunc
" Test inserting a backspace at the start of a line.
"
" This is to verify the proper behavior of tabstop_start() as called from
" ins_bs().
"
func Test_shift_ins_bs()
set backspace=indent,start
set softtabstop=11
call setline(1, repeat(" ", 33) . "word")
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 22) . "word", getline(1))
call setline(1, repeat(" ", 23) . "word")
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 22) . "word", getline(1))
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 11) . "word", getline(1))
set backspace& softtabstop&
bw!
endfunc
" Test inserting a backspace at the start of a line, with 'varsofttabstop'.
"
func Test_shift_ins_bs_vartabs()
CheckFeature vartabs
set backspace=indent,start
set varsofttabstop=13,11,7
call setline(1, repeat(" ", 44) . "word")
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 38) . "word", getline(1))
call setline(1, repeat(" ", 39) . "word")
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 38) . "word", getline(1))
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 31) . "word", getline(1))
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 24) . "word", getline(1))
exe "norm! I\<BS>"
call assert_equal(repeat(" ", 13) . "word", getline(1))
exe "norm! I\<BS>"
call assert_equal( "word", getline(1))
exe "norm! I\<BS>"
call assert_equal( "word", getline(1))
set backspace& varsofttabstop&
bw!
endfunc
" Test the >> and << normal-mode commands.
"
func Test_shift_norm()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=5
set tabstop=7
call setline(1, " word")
" Shift by 'shiftwidth' right and left.
norm! >>
call assert_equal(repeat(" ", 7) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 12) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 17) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 12) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 7) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, " word")
norm! >>
call assert_equal(repeat(" ", 9) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 16) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 23) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 16) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 9) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& tabstop&
bw!
endfunc
" Test the >> and << normal-mode commands, with 'vartabstop'.
"
func Test_shift_norm_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, " word")
norm! >>
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 38) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 49) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 60) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 49) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 38) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& vartabstop&
bw!
endfunc
" Test the >> and << normal-mode commands with 'shiftround'.
"
func Test_shift_norm_round()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=5
set tabstop=7
call setline(1, "word")
" Shift by 'shiftwidth' right and left.
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 5) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 10) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 15) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 20) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 25) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 20) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 15) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 10) . "word", getline(1))
exe "norm! I "
norm! <<
call assert_equal(repeat(" ", 10) . "word", getline(1))
call setline(1, repeat(" ", 7) . "word")
norm! <<
call assert_equal(repeat(" ", 5) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
call setline(1, repeat(" ", 2) . "word")
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, "word")
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 7) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 14) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 28) . "word", getline(1))
norm! >>
call assert_equal(repeat(" ", 35) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 28) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 14) . "word", getline(1))
exe "norm! I "
norm! <<
call assert_equal(repeat(" ", 14) . "word", getline(1))
call setline(1, repeat(" ", 9) . "word")
norm! <<
call assert_equal(repeat(" ", 7) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
call setline(1, repeat(" ", 2) . "word")
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& tabstop&
bw!
endfunc
" Test the >> and << normal-mode commands with 'shiftround' and 'vartabstop'.
"
func Test_shift_norm_round_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, "word")
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 36) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 47) . "word", getline(1))
exe "norm! I "
norm! >>
call assert_equal(repeat(" ", 58) . "word", getline(1))
exe "norm! I "
norm! <<
call assert_equal(repeat(" ", 58) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 47) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 36) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
norm! <<
call assert_equal(repeat(" ", 19) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
exe "norm! I "
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! <<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& vartabstop&
bw!
endfunc
" Test the V> and V< visual-mode commands.
"
" See ":help v_<" and ":help v_>". See also the last paragraph of "3. Simple
" changes", ":help simple-change", immediately above "4. Complex changes",
" ":help complex-change".
"
func Test_shift_vis()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=5
set tabstop=7
call setline(1, " word")
" Shift by 'shiftwidth' right and left.
norm! V>
call assert_equal(repeat(" ", 7) . "word", getline(1))
norm! V2>
call assert_equal(repeat(" ", 17) . "word", getline(1))
norm! V3>
call assert_equal(repeat(" ", 32) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 27) . "word", getline(1))
norm! V2<
call assert_equal(repeat(" ", 17) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, " word")
norm! V>
call assert_equal(repeat(" ", 9) . "word", getline(1))
norm! V2>
call assert_equal(repeat(" ", 23) . "word", getline(1))
norm! V3>
call assert_equal(repeat(" ", 44) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 37) . "word", getline(1))
norm! V2<
call assert_equal(repeat(" ", 23) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& tabstop&
bw!
endfunc
" Test the V> and V< visual-mode commands, with 'vartabstop'.
"
" See ":help v_<" and ":help v_>". See also the last paragraph of "3. Simple
" changes", ":help simple-change", immediately above "4. Complex changes",
" ":help complex-change".
"
func Test_shift_vis_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, " word")
norm! V>
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! V2>
call assert_equal(repeat(" ", 49) . "word", getline(1))
norm! V3>
call assert_equal(repeat(" ", 82) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 71) . "word", getline(1))
norm! V2<
call assert_equal(repeat(" ", 49) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 2) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& vartabstop&
bw!
endfunc
" Test the V> and V< visual-mode commands with 'shiftround'.
"
func Test_shift_vis_round()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=5
set tabstop=7
call setline(1, "word")
" Shift by 'shiftwidth' right and left.
exe "norm! I "
norm! V>
call assert_equal(repeat(" ", 5) . "word", getline(1))
exe "norm! I "
norm! V2>
call assert_equal(repeat(" ", 15) . "word", getline(1))
exe "norm! I "
norm! V3>
call assert_equal(repeat(" ", 30) . "word", getline(1))
exe "norm! I "
norm! V2<
call assert_equal(repeat(" ", 25) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 10) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 5) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, "word")
exe "norm! I "
norm! V>
call assert_equal(repeat(" ", 7) . "word", getline(1))
exe "norm! I "
norm! V2>
call assert_equal(repeat(" ", 21) . "word", getline(1))
exe "norm! I "
norm! V3>
call assert_equal(repeat(" ", 42) . "word", getline(1))
exe "norm! I "
norm! V<
call assert_equal(repeat(" ", 42) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 35) . "word", getline(1))
norm! V2<
call assert_equal(repeat(" ", 21) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
call setline(1, " word")
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& tabstop&
bw!
endfunc
" Test the V> and V< visual-mode commands with 'shiftround' and 'vartabstop'.
"
func Test_shift_vis_round_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, "word")
exe "norm! I "
norm! V>
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
norm! V3>
call assert_equal(repeat(" ", 58) . "word", getline(1))
exe "norm! I "
norm! V2<
call assert_equal(repeat(" ", 47) . "word", getline(1))
exe "norm! I "
norm! V3<
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
norm! V3<
call assert_equal(repeat(" ", 0) . "word", getline(1))
exe "norm! I "
norm! V<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& vartabstop&
bw!
endfunc
" Test the :> and :< ex-mode commands.
"
func Test_shift_ex()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=5
set tabstop=7
call setline(1, " word")
" Shift by 'shiftwidth' right and left.
>
call assert_equal(repeat(" ", 7) . "word", getline(1))
>>
call assert_equal(repeat(" ", 17) . "word", getline(1))
>>>
call assert_equal(repeat(" ", 32) . "word", getline(1))
<<<<
call assert_equal(repeat(" ", 12) . "word", getline(1))
<
call assert_equal(repeat(" ", 7) . "word", getline(1))
<
call assert_equal(repeat(" ", 2) . "word", getline(1))
<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, " word")
>
call assert_equal(repeat(" ", 9) . "word", getline(1))
>>
call assert_equal(repeat(" ", 23) . "word", getline(1))
>>>
call assert_equal(repeat(" ", 44) . "word", getline(1))
<<<<
call assert_equal(repeat(" ", 16) . "word", getline(1))
<<
call assert_equal(repeat(" ", 2) . "word", getline(1))
<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& tabstop&
bw!
endfunc
" Test the :> and :< ex-mode commands, with vartabstop.
"
func Test_shift_ex_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, " word")
>
call assert_equal(repeat(" ", 21) . "word", getline(1))
>>
call assert_equal(repeat(" ", 49) . "word", getline(1))
>>>
call assert_equal(repeat(" ", 82) . "word", getline(1))
<<<<
call assert_equal(repeat(" ", 38) . "word", getline(1))
<<
call assert_equal(repeat(" ", 2) . "word", getline(1))
<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& vartabstop&
bw!
endfunc
" Test the :> and :< ex-mode commands with 'shiftround'.
"
func Test_shift_ex_round()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=5
set tabstop=7
call setline(1, "word")
" Shift by 'shiftwidth' right and left.
exe "norm! I "
>
call assert_equal(repeat(" ", 5) . "word", getline(1))
exe "norm! I "
>>
call assert_equal(repeat(" ", 15) . "word", getline(1))
exe "norm! I "
>>>
call assert_equal(repeat(" ", 30) . "word", getline(1))
exe "norm! I "
<<<<
call assert_equal(repeat(" ", 15) . "word", getline(1))
exe "norm! I "
<<
call assert_equal(repeat(" ", 10) . "word", getline(1))
<<
call assert_equal(repeat(" ", 0) . "word", getline(1))
>>
<<<
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, "word")
exe "norm! I "
>
call assert_equal(repeat(" ", 7) . "word", getline(1))
exe "norm! I "
>>
call assert_equal(repeat(" ", 21) . "word", getline(1))
exe "norm! I "
>>>
call assert_equal(repeat(" ", 42) . "word", getline(1))
exe "norm! I "
<<<<
call assert_equal(repeat(" ", 21) . "word", getline(1))
exe "norm! I "
<<
call assert_equal(repeat(" ", 14) . "word", getline(1))
exe "norm! I "
<<<
call assert_equal(repeat(" ", 0) . "word", getline(1))
>>
<<<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& tabstop&
bw!
endfunc
" Test the :> and :< ex-mode commands with 'shiftround' and 'vartabstop'.
"
func Test_shift_ex_round_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftround
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, "word")
exe "norm! I "
>
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
>>
call assert_equal(repeat(" ", 47) . "word", getline(1))
>>>
call assert_equal(repeat(" ", 80) . "word", getline(1))
<<<<
call assert_equal(repeat(" ", 36) . "word", getline(1))
exe "norm! I "
<<
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I "
<<
call assert_equal(repeat(" ", 0) . "word", getline(1))
<
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftround& shiftwidth& vartabstop&
bw!
endfunc
" Test shifting lines with <C-T> and <C-D>.
"
func Test_shift_ins()
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=5
set tabstop=7
" Shift by 'shiftwidth' right and left.
call setline(1, repeat(" ", 7) . "word")
exe "norm! 9|i\<C-T>"
call assert_equal(repeat(" ", 10) . "word", getline(1))
exe "norm! A\<C-T>"
call assert_equal(repeat(" ", 15) . "word", getline(1))
exe "norm! I \<C-T>"
call assert_equal(repeat(" ", 20) . "word", getline(1))
exe "norm! I \<C-D>"
call assert_equal(repeat(" ", 20) . "word", getline(1))
exe "norm! I "
exe "norm! 24|i\<C-D>"
call assert_equal(repeat(" ", 20) . "word", getline(1))
exe "norm! A\<C-D>"
call assert_equal(repeat(" ", 15) . "word", getline(1))
exe "norm! I "
exe "norm! A\<C-D>\<C-D>"
call assert_equal(repeat(" ", 10) . "word", getline(1))
exe "norm! I\<C-D>\<C-D>\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
exe "norm! I\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
" Shift by 'tabstop' right and left.
set shiftwidth=0
call setline(1, "word")
call setline(1, repeat(" ", 9) . "word")
exe "norm! 11|i\<C-T>"
call assert_equal(repeat(" ", 14) . "word", getline(1))
exe "norm! A\<C-T>"
call assert_equal(repeat(" ", 21) . "word", getline(1))
exe "norm! I \<C-T>"
call assert_equal(repeat(" ", 28) . "word", getline(1))
exe "norm! I \<C-D>"
call assert_equal(repeat(" ", 28) . "word", getline(1))
exe "norm! I "
exe "norm! 32|i\<C-D>"
call assert_equal(repeat(" ", 28) . "word", getline(1))
exe "norm! A\<C-D>"
call assert_equal(repeat(" ", 21) . "word", getline(1))
exe "norm! I "
exe "norm! A\<C-D>\<C-D>"
call assert_equal(repeat(" ", 14) . "word", getline(1))
exe "norm! I\<C-D>\<C-D>\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
exe "norm! I\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& tabstop&
bw!
endfunc
" Test shifting lines with <C-T> and <C-D>, with 'vartabstop'.
"
func Test_shift_ins_vartabs()
CheckFeature vartabs
set expandtab " Don't want to worry about tabs vs. spaces in
" results.
set shiftwidth=0
set vartabstop=19,17,11
" Shift by 'vartabstop' right and left.
call setline(1, "word")
call setline(1, repeat(" ", 9) . "word")
exe "norm! 11|i\<C-T>"
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! A\<C-T>"
call assert_equal(repeat(" ", 36) . "word", getline(1))
exe "norm! I \<C-T>"
call assert_equal(repeat(" ", 47) . "word", getline(1))
exe "norm! I \<C-D>"
call assert_equal(repeat(" ", 47) . "word", getline(1))
exe "norm! I "
exe "norm! 51|i\<C-D>"
call assert_equal(repeat(" ", 47) . "word", getline(1))
exe "norm! A\<C-D>"
call assert_equal(repeat(" ", 36) . "word", getline(1))
exe "norm! I "
exe "norm! A\<C-D>\<C-D>"
call assert_equal(repeat(" ", 19) . "word", getline(1))
exe "norm! I\<C-D>\<C-D>\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
exe "norm! I\<C-D>"
call assert_equal(repeat(" ", 0) . "word", getline(1))
set expandtab& shiftwidth& vartabstop&
bw!
endfunc
" vim: shiftwidth=2 sts=2 expandtab