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-rwxr-xr-xt/t4047-diff-dirstat.sh37
1 files changed, 37 insertions, 0 deletions
diff --git a/t/t4047-diff-dirstat.sh b/t/t4047-diff-dirstat.sh
index b8ad92a..cc947fd 100755
--- a/t/t4047-diff-dirstat.sh
+++ b/t/t4047-diff-dirstat.sh
@@ -939,4 +939,41 @@ test_expect_success 'diff.dirstat=0,lines' '
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 &&
+ grep -q "future_param" actual_error &&
+ grep -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 &&
+ grep -q "dummy1" actual_error &&
+ grep -q "2dummy" actual_error &&
+ grep -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 &&
+ grep -q "future_param" actual_error &&
+ grep -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 &&
+ grep -q "future_param" actual_error &&
+ grep -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 &&
+ grep -q "future_param" actual_error &&
+ grep -q "diff\\.dirstat" actual_error
+'
+
test_done