test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
'
+cat <<EOF >expect_diff_dirstat
+ 27.2% dst/copy/
+ 27.2% dst/move/
+ 54.5% dst/
+ 27.2% src/move/
+EOF
+
+cat <<EOF >expect_diff_dirstat_M
+ 42.8% dst/copy/
+ 28.5% dst/move/
+ 71.4% dst/
+EOF
+
+cat <<EOF >expect_diff_dirstat_CC
+ 33.3% dst/copy/
+ 33.3% dst/move/
+ 66.6% dst/
+EOF
+
+test_expect_success '--dirstat=files,cumulative,16.7' '
+ git diff --dirstat=files,cumulative,16.7 HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git diff --dirstat=files,cumulative,16.7 -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git diff --dirstat=files,cumulative,16.7 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success 'diff.dirstat=16.7,cumulative,files' '
+ git -c diff.dirstat=16.7,cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git -c diff.dirstat=16.7,cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git -c diff.dirstat=16.7,cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success 'diff.dirstat=16.70,cumulative,files' '
+ git -c diff.dirstat=16.70,cumulative,files diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git -c diff.dirstat=16.70,cumulative,files diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git -c diff.dirstat=16.70,cumulative,files diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success '--dirstat=files,cumulative,27.2' '
+ git diff --dirstat=files,cumulative,27.2 HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git diff --dirstat=files,cumulative,27.2 -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git diff --dirstat=files,cumulative,27.2 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success '--dirstat=files,cumulative,27.09' '
+ git diff --dirstat=files,cumulative,27.09 HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git diff --dirstat=files,cumulative,27.09 -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git diff --dirstat=files,cumulative,27.09 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+cat <<EOF >expect_diff_dirstat
+ 10.6% dst/copy/changed/
+ 10.6% dst/copy/rearranged/
+ 10.6% dst/copy/unchanged/
+ 10.6% dst/move/changed/
+ 10.6% dst/move/rearranged/
+ 10.6% dst/move/unchanged/
+ 10.6% src/move/changed/
+ 10.6% src/move/rearranged/
+ 10.6% src/move/unchanged/
+EOF
+
+cat <<EOF >expect_diff_dirstat_M
+ 5.2% changed/
+ 26.3% dst/copy/changed/
+ 26.3% dst/copy/rearranged/
+ 26.3% dst/copy/unchanged/
+ 5.2% dst/move/changed/
+ 5.2% dst/move/rearranged/
+ 5.2% rearranged/
+EOF
+
+cat <<EOF >expect_diff_dirstat_CC
+ 16.6% changed/
+ 16.6% dst/copy/changed/
+ 16.6% dst/copy/rearranged/
+ 16.6% dst/move/changed/
+ 16.6% dst/move/rearranged/
+ 16.6% rearranged/
+EOF
+
+test_expect_success '--dirstat=lines' '
+ git diff --dirstat=lines HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git diff --dirstat=lines -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git diff --dirstat=lines -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success 'diff.dirstat=lines' '
+ git -c diff.dirstat=lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git -c diff.dirstat=lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git -c diff.dirstat=lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+cat <<EOF >expect_diff_dirstat
+ 2.1% changed/
+ 10.6% dst/copy/changed/
+ 10.6% dst/copy/rearranged/
+ 10.6% dst/copy/unchanged/
+ 10.6% dst/move/changed/
+ 10.6% dst/move/rearranged/
+ 10.6% dst/move/unchanged/
+ 2.1% rearranged/
+ 10.6% src/move/changed/
+ 10.6% src/move/rearranged/
+ 10.6% src/move/unchanged/
+EOF
+
+cat <<EOF >expect_diff_dirstat_M
+ 5.2% changed/
+ 26.3% dst/copy/changed/
+ 26.3% dst/copy/rearranged/
+ 26.3% dst/copy/unchanged/
+ 5.2% dst/move/changed/
+ 5.2% dst/move/rearranged/
+ 5.2% rearranged/
+EOF
+
+cat <<EOF >expect_diff_dirstat_CC
+ 16.6% changed/
+ 16.6% dst/copy/changed/
+ 16.6% dst/copy/rearranged/
+ 16.6% dst/move/changed/
+ 16.6% dst/move/rearranged/
+ 16.6% rearranged/
+EOF
+
+test_expect_success '--dirstat=lines,0' '
+ git diff --dirstat=lines,0 HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git diff --dirstat=lines,0 -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git diff --dirstat=lines,0 -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success 'diff.dirstat=0,lines' '
+ git -c diff.dirstat=0,lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ git -c diff.dirstat=0,lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ git -c diff.dirstat=0,lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC
+'
+
+test_expect_success '--dirstat=future_param,lines,0 should fail loudly' '
+ test_must_fail git diff --dirstat=future_param,lines,0 HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
+ test_debug "cat actual_error" &&
+ test_cmp /dev/null actual_diff_dirstat &&
+ test_i18ngrep -q "future_param" actual_error &&
+ test_i18ngrep -q "\--dirstat" actual_error
+'
+
+test_expect_success '--dirstat=dummy1,cumulative,2dummy should report both unrecognized parameters' '
+ test_must_fail git diff --dirstat=dummy1,cumulative,2dummy HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
+ test_debug "cat actual_error" &&
+ test_cmp /dev/null actual_diff_dirstat &&
+ test_i18ngrep -q "dummy1" actual_error &&
+ test_i18ngrep -q "2dummy" actual_error &&
+ test_i18ngrep -q "\--dirstat" actual_error
+'
+
+test_expect_success 'diff.dirstat=future_param,0,lines should warn, but still work' '
+ git -c diff.dirstat=future_param,0,lines diff --dirstat HEAD^..HEAD >actual_diff_dirstat 2>actual_error &&
+ test_debug "cat actual_error" &&
+ test_cmp expect_diff_dirstat actual_diff_dirstat &&
+ test_i18ngrep -q "future_param" actual_error &&
+ test_i18ngrep -q "diff\\.dirstat" actual_error &&
+
+ git -c diff.dirstat=future_param,0,lines diff --dirstat -M HEAD^..HEAD >actual_diff_dirstat_M 2>actual_error &&
+ test_debug "cat actual_error" &&
+ test_cmp expect_diff_dirstat_M actual_diff_dirstat_M &&
+ test_i18ngrep -q "future_param" actual_error &&
+ test_i18ngrep -q "diff\\.dirstat" actual_error &&
+
+ git -c diff.dirstat=future_param,0,lines diff --dirstat -C -C HEAD^..HEAD >actual_diff_dirstat_CC 2>actual_error &&
+ test_debug "cat actual_error" &&
+ test_cmp expect_diff_dirstat_CC actual_diff_dirstat_CC &&
+ test_i18ngrep -q "future_param" actual_error &&
+ test_i18ngrep -q "diff\\.dirstat" actual_error
+'
+
test_done