From 9fb76c74b5d30b592bad60de5955b9efa2e6cd65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20Smr=C5=BE?= <roman.smrz@seznam.cz>
Date: Sat, 22 Aug 2026 22:37:53 +0200
Subject: =?UTF-8?q?Shell:=20implement=20=E2=80=98!=E2=80=99=20operator?=
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Changelog: Implement negation using the `!` operator in the shell interpreter.
---
 test/asset/shell/logic.et | 14 ++++++++++++++
 test/script/shell.et      | 26 ++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 test/asset/shell/logic.et

(limited to 'test')

diff --git a/test/asset/shell/logic.et b/test/asset/shell/logic.et
new file mode 100644
index 0000000..d1d4b32
--- /dev/null
+++ b/test/asset/shell/logic.et
@@ -0,0 +1,14 @@
+test NegateFalse:
+    node n
+    shell on n as sh:
+        ! false
+
+test NegateTrue:
+    node n
+    shell on n as sh:
+        ! true
+
+test NegateNothing:
+    node n
+    shell on n as sh:
+        !
diff --git a/test/script/shell.et b/test/script/shell.et
index e58dfea..086d3d3 100644
--- a/test/script/shell.et
+++ b/test/script/shell.et
@@ -154,3 +154,29 @@ test ShellExitOnError:
         expect /run-test-result Enabled failed/
         expect /run-done/
         flush
+
+
+test ShellLogic:
+    spawn as p
+    with p:
+        send "load ${scripts.path}/logic.et"
+        local:
+            expect /(load-.*)/ capture done
+            guard (done == "load-done")
+
+        send "run NegateFalse"
+        expect /run-test-result NegateFalse done/
+        expect /run-done/
+        flush
+
+        send "run NegateTrue"
+        expect /child-fail sh failed at: .*logic.et:9:9: ! true/
+        expect /run-test-result NegateTrue failed/
+        expect /run-done/
+        flush
+
+        send "run NegateNothing"
+        expect /child-fail sh failed at: .*logic.et:14:9: !/
+        expect /run-test-result NegateNothing failed/
+        expect /run-done/
+        flush
-- 
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