1 #!/bin/sh

     2 

     3 # GNU diff is the reference for all of these results.

     4 

     5 hgdiff() {

     6     hg diff "$@" | sed "s/\(\(---\|+++\) [a-zA-Z0-9_/.-]*\).*/\1/"

     7 }

     8 

     9 test_added_blank_lines() {

    10     printf '\nhello world\n\ngoodbye world\n\n' >foo

    11 

    12     echo '>>> two diffs showing three added lines <<<'

    13     hgdiff

    14     hgdiff -b

    15 

    16     echo '>>> no diffs <<<'

    17     hgdiff -B

    18     hgdiff -Bb

    19 }

    20 

    21 test_added_horizontal_space_first_on_a_line() {

    22     printf '\t hello world\ngoodbye world\n' >foo

    23 

    24     echo '>>> four diffs showing added space first on the first line <<<'

    25     hgdiff

    26     hgdiff -b

    27     hgdiff -B

    28     hgdiff -Bb

    29 }

    30 

    31 test_added_horizontal_space_last_on_a_line() {

    32     printf 'hello world\t \ngoodbye world\n' >foo

    33 

    34     echo '>>> two diffs showing space appended to the first line <<<'

    35     hgdiff

    36     hgdiff -B

    37 

    38     echo '>>> no diffs <<<'

    39     hgdiff -b

    40     hgdiff -Bb

    41 }

    42 

    43 test_added_horizontal_space_in_the_middle_of_a_word() {

    44     printf 'hello world\ngood bye world\n' >foo

    45 

    46     echo '>>> four diffs showing space inserted into "goodbye" <<<'

    47     hgdiff

    48     hgdiff -B

    49     hgdiff -b

    50     hgdiff -Bb

    51 }

    52 

    53 test_increased_horizontal_whitespace_amount() {

    54     printf 'hello world\ngoodbye\t\t  \tworld\n' >foo

    55 

    56     echo '>>> two diffs showing changed whitespace amount in the last line <<<'

    57     hgdiff

    58     hgdiff -B

    59 

    60     echo '>>> no diffs <<<'

    61     hgdiff -b

    62     hgdiff -Bb

    63 }

    64 

    65 test_added_blank_line_with_horizontal_whitespace() {

    66     printf 'hello world\n \t\ngoodbye world\n' >foo

    67 

    68     echo '>>> four diffs showing added blank line w/horizontal space <<<'

    69     hgdiff

    70     hgdiff -B

    71     hgdiff -b

    72     hgdiff -Bb

    73 }

    74 

    75 hg init

    76 printf 'hello world\ngoodbye world\n' >foo

    77 hg ci -Amfoo -ufoo -d '0 0'

    78 

    79 test_added_blank_lines

    80 test_added_horizontal_space_first_on_a_line

    81 test_added_horizontal_space_last_on_a_line

    82 test_added_horizontal_space_in_the_middle_of_a_word

    83 test_increased_horizontal_whitespace_amount

    84 test_added_blank_line_with_horizontal_whitespace