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-rwxr-xr-xt/t0010-racy-git.sh34
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+#!/bin/sh
+
+test_description='racy GIT'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+# This test can give false success if your machine is sufficiently
+# slow or your trial happened to happen on second boundary.
+
+for trial in 0 1 2 3 4
+do
+ rm -f .git/index
+ echo frotz >infocom
+ git update-index --add infocom
+ echo xyzzy >infocom
+
+ files=$(git diff-files -p)
+ test_expect_success \
+ "Racy GIT trial #$trial part A" \
+ 'test "" != "$files"'
+
+ sleep 1
+ echo xyzzy >cornerstone
+ git update-index --add cornerstone
+
+ files=$(git diff-files -p)
+ test_expect_success \
+ "Racy GIT trial #$trial part B" \
+ 'test "" != "$files"'
+
+done
+
+test_done