From 02be941404a023fb3e1047dffe8c1578cbdc798f Mon Sep 17 00:00:00 2001
From: Milos Gligoric <gliga@users.noreply.github.com>
Date: Wed, 14 Aug 2024 13:46:18 -0500
Subject: [PATCH] lib: Add function to generate random bool (#24)

---
 src/util/rand.sh      | 11 +++++++++++
 src/util/rand_test.sh | 10 ++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/util/rand.sh b/src/util/rand.sh
index 05a37af..b74dbe6 100644
--- a/src/util/rand.sh
+++ b/src/util/rand.sh
@@ -13,6 +13,17 @@ readonly RAND_MOD=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 # ----------
 # Functions.
 
+function rand_bool() {
+        # Generate random bool.
+        local ctx; is_ctx "${1}" && ctx="${1}" && shift
+        [ $# -ne 0 ] && { ctx_wn $ctx; return $EC; }
+        shift 0 || { ctx_wn $ctx; return $EC; }
+
+        # No arguments to check.
+
+        echo $(( ${RANDOM} % 2 ))
+}
+
 function rand_int() {
         # Generate random int.
         local ctx; is_ctx "${1}" && ctx="${1}" && shift
diff --git a/src/util/rand_test.sh b/src/util/rand_test.sh
index 66f98f4..4bc8ffc 100644
--- a/src/util/rand_test.sh
+++ b/src/util/rand_test.sh
@@ -15,6 +15,16 @@ readonly RAND_TEST_MOD=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 # ----------
 # Functions.
 
+function test_rand_bool() {
+        local val
+        val=$(rand_bool) || \
+                assert_fail
+
+        is_bool "${val}" || \
+                assert_fail
+}
+readonly -f test_rand_bool
+
 function test_rand_int() {
         local val
         val=$(rand_int) || \