From 90843f07558f8b27d68036740c1e4697ed4e0b51 Mon Sep 17 00:00:00 2001
From: Andreas Kapp Lindquist <andkaplin05@gmail.com>
Date: Thu, 23 Oct 2025 17:56:42 +0200
Subject: test(generate_test_data.sh): moved to test, and added sorted and
 reverse sorted files

---
 generate_test_data.sh      | 22 --------------------
 test/generate_test_data.sh | 52 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 22 deletions(-)
 delete mode 100755 generate_test_data.sh
 create mode 100755 test/generate_test_data.sh

diff --git a/generate_test_data.sh b/generate_test_data.sh
deleted file mode 100755
index d935dfa..0000000
--- a/generate_test_data.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/sh
-# Note generating test data
-# may take a while
-
-mkdir -p data
-sizes=(10000 50000 100000 500000 1000000 5000000)
-
-for size in "${sizes[@]}"; do
-    for run in {1..3}; do
-        outfile="data/random_${size}_run${run}.tsv"     # '.tsv' stands for
-        echo "Generating $outfile ..."                  # tab seperaed values
-        {
-            for ((i=1; i<=size; i++)); do
-                # using 'printf' instead of 'echo'
-                # due to performance issues
-                printf "%d\t%d\n" $((RANDOM)) $((RANDOM))
-            done
-        } > "$outfile"
-    done
-done
-
-echo "All random data files gernated in ./data/"
diff --git a/test/generate_test_data.sh b/test/generate_test_data.sh
new file mode 100755
index 0000000..b71eb30
--- /dev/null
+++ b/test/generate_test_data.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+# Note generating test data
+# may take a while
+
+# using 'printf' instead of 'echo'
+# due to performance issues
+random_file() {
+{
+    for ((i=1; i<=$2; i++)); do
+        printf "%d\t%d\n" $((RANDOM)) $((RANDOM))
+    done
+} > "$1"
+}
+
+sorted_file() {
+{
+    for ((i=1; i<=$2; i++)); do
+        printf "%d\t%d\n" $i $i
+    done
+} > "$1"
+}
+
+reverse_file() {
+{
+    for ((i=$2; i>=1; i--)); do
+        printf "%d\t%d\n" $i $i
+    done
+} > "$1"
+}
+
+mkdir -p data
+sizes=(10000 50000 100000) # 500000 1000000 5000000)
+types=("random" "sorted" "reverse")
+
+for data_type in "${types[@]}"; do
+    for size in "${sizes[@]}"; do
+        for run in {1..3}; do
+            outfile="data/${data_type}_${size}_${run}.tsv"     # '.tsv' stands for
+            echo "Generating $outfile ..."                  # tab seperated values
+
+            if [ "$data_type" = "sorted" ]; then
+                sorted_file $outfile $size
+            elif [ "$data_type" = "reverse" ]; then
+                reverse_file $outfile $size
+            else
+                random_file $outfile $size
+            fi
+        done
+    done
+done
+
+echo "All random data files gernated in ./data/"
-- 
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