From b5d4da532a8c480da7e07d67c9263e4d35dbf0ed Mon Sep 17 00:00:00 2001
From: Undefine <undefine@undefine.pl>
Date: Thu, 22 Oct 2026 14:26:46 +0200
Subject: [PATCH] Tests: Add a simple test for the LibACPI AML Interpreter

The test .aml file was built with iASL 20260930, using
`iasl Tests/LibACPI/test-inputs/scope_and_name.dsl`
---
 Meta/Lagom/CMakeLists.txt                    |   1 +
 Tests/CMakeLists.txt                         |   1 +
 Tests/LibACPI/CMakeLists.txt                 |   9 +++++
 Tests/LibACPI/TestAML.cpp                    |  33 +++++++++++++++++++
 Tests/LibACPI/test-inputs/scope_and_name.aml | Bin 0 -> 57 bytes
 Tests/LibACPI/test-inputs/scope_and_name.asl |   8 +++++
 6 files changed, 52 insertions(+)
 create mode 100644 Tests/LibACPI/CMakeLists.txt
 create mode 100644 Tests/LibACPI/TestAML.cpp
 create mode 100644 Tests/LibACPI/test-inputs/scope_and_name.aml
 create mode 100644 Tests/LibACPI/test-inputs/scope_and_name.asl

diff --git a/Meta/Lagom/CMakeLists.txt b/Meta/Lagom/CMakeLists.txt
index 4aa9630939b..0df450cee25 100644
--- a/Meta/Lagom/CMakeLists.txt
+++ b/Meta/Lagom/CMakeLists.txt
@@ -691,6 +691,7 @@ if (BUILD_LAGOM)
         set(TEST_DIRECTORIES
             AK
             Kernel/POSIX
+            LibACPI
             LibCompress
             LibCrypto
             LibDisassembly
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index da89a26462e..926774006aa 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_subdirectory(AK)
 add_subdirectory(Kernel)
+add_subdirectory(LibACPI)
 add_subdirectory(LibAudio)
 add_subdirectory(LibC)
 add_subdirectory(LibCompress)
diff --git a/Tests/LibACPI/CMakeLists.txt b/Tests/LibACPI/CMakeLists.txt
new file mode 100644
index 00000000000..59490a4b185
--- /dev/null
+++ b/Tests/LibACPI/CMakeLists.txt
@@ -0,0 +1,9 @@
+set(TEST_SOURCES
+    TestAML.cpp
+)
+
+foreach(source IN LISTS TEST_SOURCES)
+    serenity_test("${source}" LibACPI LIBS LibACPI)
+endforeach()
+
+install(DIRECTORY test-inputs DESTINATION usr/Tests/LibACPI)
diff --git a/Tests/LibACPI/TestAML.cpp b/Tests/LibACPI/TestAML.cpp
new file mode 100644
index 00000000000..94047bed83d
--- /dev/null
+++ b/Tests/LibACPI/TestAML.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2026, Undefine <undefine@undefine.pl>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibACPI/Interpreter.h>
+#include <LibACPI/NameString.h>
+#include <LibCore/MappedFile.h>
+#include <LibTest/Macros.h>
+#include <LibTest/TestCase.h>
+
+#ifdef AK_OS_SERENITY
+#    define TEST_INPUT(x) ("/usr/Tests/LibACPI/test-inputs/" x)
+#else
+#    define TEST_INPUT(x) ("test-inputs/" x)
+#endif
+
+TEST_CASE(scope_and_name)
+{
+    auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("scope_and_name.aml"sv)));
+
+    auto interpreter = TRY_OR_FAIL(ACPI::AML::Interpreter::create());
+    TRY_OR_FAIL(interpreter->load(file->bytes()));
+
+    auto num1 = TRY_OR_FAIL(interpreter->evaluate(TRY_OR_FAIL(ACPI::AML::NameString::from_string_view("\\_SB_.NUM1"sv))));
+    EXPECT(num1.is<u64>());
+    EXPECT_EQ(MUST(num1.as<u64>()), 0x1234ul);
+
+    auto num2 = TRY_OR_FAIL(interpreter->evaluate(TRY_OR_FAIL(ACPI::AML::NameString::from_string_view("\\_SB_.NUM2"sv))));
+    EXPECT(num2.is<u64>());
+    EXPECT_EQ(MUST(num2.as<u64>()), 42ul);
+}
diff --git a/Tests/LibACPI/test-inputs/scope_and_name.aml b/Tests/LibACPI/test-inputs/scope_and_name.aml
new file mode 100644
index 0000000000000000000000000000000000000000..8f8eba31d357e1a47174efe0d44297116daaa00f
GIT binary patch
literal 57
zcmZ<>b_ua$U|?X%atd{K_jC<*4RZDK42fg}ih25l_!w}iDF}$f2Rp@c_=Wl!a+?T&
IXd^By0B7P10RR91

literal 0
HcmV?d00001

diff --git a/Tests/LibACPI/test-inputs/scope_and_name.asl b/Tests/LibACPI/test-inputs/scope_and_name.asl
new file mode 100644
index 00000000000..ae3f37e097b
--- /dev/null
+++ b/Tests/LibACPI/test-inputs/scope_and_name.asl
@@ -0,0 +1,8 @@
+DefinitionBlock ("", "DSDT", 2, "BUGGIE", "SERENITY", 0x00000001)
+{
+    Scope (\_SB)
+    {
+        Name (NUM1, 0x1234)
+        Name (NUM2, 42)
+    }
+}