| " Test filter() and map() |
| |
| " list with expression string |
| func Test_filter_map_list_expr_string() |
| " filter() |
| call assert_equal([2, 3, 4], filter([1, 2, 3, 4], 'v:val > 1')) |
| call assert_equal([3, 4], filter([1, 2, 3, 4], 'v:key > 1')) |
| call assert_equal([], filter([1, 2, 3, 4], 0)) |
| |
| " map() |
| call assert_equal([2, 4, 6, 8], map([1, 2, 3, 4], 'v:val * 2')) |
| call assert_equal([0, 2, 4, 6], map([1, 2, 3, 4], 'v:key * 2')) |
| call assert_equal([9, 9, 9, 9], map([1, 2, 3, 4], 9)) |
| endfunc |
| |
| " dict with expression string |
| func Test_filter_map_dict_expr_string() |
| let dict = {"foo": 1, "bar": 2, "baz": 3} |
| |
| " filter() |
| call assert_equal({"bar": 2, "baz": 3}, filter(copy(dict), 'v:val > 1')) |
| call assert_equal({"foo": 1, "baz": 3}, filter(copy(dict), 'v:key > "bar"')) |
| call assert_equal({}, filter(copy(dict), 0)) |
| |
| " map() |
| call assert_equal({"foo": 2, "bar": 4, "baz": 6}, map(copy(dict), 'v:val * 2')) |
| call assert_equal({"foo": "f", "bar": "b", "baz": "b"}, map(copy(dict), 'v:key[0]')) |
| call assert_equal({"foo": 9, "bar": 9, "baz": 9}, map(copy(dict), 9)) |
| endfunc |
| |
| " list with funcref |
| func Test_filter_map_list_expr_funcref() |
| " filter() |
| func! s:filter1(index, val) abort |
| return a:val > 1 |
| endfunc |
| call assert_equal([2, 3, 4], filter([1, 2, 3, 4], function('s:filter1'))) |
| |
| func! s:filter2(index, val) abort |
| return a:index > 1 |
| endfunc |
| call assert_equal([3, 4], filter([1, 2, 3, 4], function('s:filter2'))) |
| |
| " map() |
| func! s:filter3(index, val) abort |
| return a:val * 2 |
| endfunc |
| call assert_equal([2, 4, 6, 8], map([1, 2, 3, 4], function('s:filter3'))) |
| |
| func! s:filter4(index, val) abort |
| return a:index * 2 |
| endfunc |
| call assert_equal([0, 2, 4, 6], map([1, 2, 3, 4], function('s:filter4'))) |
| endfunc |
| |
| " dict with funcref |
| func Test_filter_map_dict_expr_funcref() |
| let dict = {"foo": 1, "bar": 2, "baz": 3} |
| |
| " filter() |
| func! s:filter1(key, val) abort |
| return a:val > 1 |
| endfunc |
| call assert_equal({"bar": 2, "baz": 3}, filter(copy(dict), function('s:filter1'))) |
| |
| func! s:filter2(key, val) abort |
| return a:key > "bar" |
| endfunc |
| call assert_equal({"foo": 1, "baz": 3}, filter(copy(dict), function('s:filter2'))) |
| |
| " map() |
| func! s:filter3(key, val) abort |
| return a:val * 2 |
| endfunc |
| call assert_equal({"foo": 2, "bar": 4, "baz": 6}, map(copy(dict), function('s:filter3'))) |
| |
| func! s:filter4(key, val) abort |
| return a:key[0] |
| endfunc |
| call assert_equal({"foo": "f", "bar": "b", "baz": "b"}, map(copy(dict), function('s:filter4'))) |
| endfunc |
