4 files changed, 60 insertions, 0 deletions
diff --git a/test/choose_1x-1.txt b/test/choose_1x-1.txt
new file mode 100644
index 0000000..33a230e
--- /dev/null
+++ b/test/choose_1x-1.txt
@@ -0,0 +1,19 @@
+
+c
+e f
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+h i
+k
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+o
+q r
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+t u
+w
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diff --git a/test/choose_1x-2.txt b/test/choose_1x-2.txt
new file mode 100644
index 0000000..0544919
--- /dev/null
+++ b/test/choose_1x-2.txt
@@ -0,0 +1,19 @@
+
+
+e
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+h
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+q
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+t
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diff --git a/test/choose_1x-3.txt b/test/choose_1x-3.txt
new file mode 100644
index 0000000..a60f303
--- /dev/null
+++ b/test/choose_1x-3.txt
@@ -0,0 +1,19 @@
+
+
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diff --git a/test/e2e_test.sh b/test/e2e_test.sh
index 320521b..6fe58ff 100755
--- a/test/e2e_test.sh
+++ b/test/e2e_test.sh
@@ -21,6 +21,9 @@ diff -w <(cargo run -- 3:6 -c -i ${test_dir}/lorem.txt 2>/dev/null) <(cat "${tes
 diff -w <(cargo run -- 2 -x -i ${test_dir}/lorem.txt 2>/dev/null) <(cat "${test_dir}/choose_2_x.txt")
 diff -w <(cargo run -- -1 -i ${test_dir}/alphabet.txt 2>/dev/null) <(cat "${test_dir}/choose_-1.txt")
 diff -w <(cargo run -- -2 -i ${test_dir}/alphabet.txt 2>/dev/null) <(cat "${test_dir}/choose_-2.txt")
+diff -w <(cargo run -- 1:-1 -i ${test_dir}/alphabet.txt 2>/dev/null) <(cat "${test_dir}/choose_1x-1.txt")
+diff -w <(cargo run -- 1:-2 -i ${test_dir}/alphabet.txt 2>/dev/null) <(cat "${test_dir}/choose_1x-2.txt")
+diff -w <(cargo run -- 1:-3 -i ${test_dir}/alphabet.txt 2>/dev/null) <(cat "${test_dir}/choose_1x-3.txt")
 # add tests for different delimiters
 # add tests using piping