From 7ddac9b0b87c20ce4e0b6957a12798508b8d1cfd Mon Sep 17 00:00:00 2001
From: David Seifert <soap@gentoo.org>
Date: Mon, 13 Nov 2023 09:04:34 -0800
Subject: [PATCH] unity builds: test for build failure when #files is divisible
 by unity_size

---
 test cases/common/272 unity/meson.build  | 15 +++++++++++++++
 test cases/common/272 unity/mustunity1.c |  3 +++
 test cases/common/272 unity/mustunity2.c |  9 +++++++++
 test cases/common/272 unity/notunity1.c  |  7 +++++++
 test cases/common/272 unity/notunity2.c  |  9 +++++++++
 test cases/common/272 unity/slib.c       |  6 ++++++
 test cases/common/272 unity/slib1.c      |  3 +++
 test cases/common/272 unity/slib2.c      |  3 +++
 test cases/common/272 unity/test.json    |  5 +++++
 9 files changed, 60 insertions(+)
 create mode 100644 test cases/common/272 unity/meson.build
 create mode 100644 test cases/common/272 unity/mustunity1.c
 create mode 100644 test cases/common/272 unity/mustunity2.c
 create mode 100644 test cases/common/272 unity/notunity1.c
 create mode 100644 test cases/common/272 unity/notunity2.c
 create mode 100644 test cases/common/272 unity/slib.c
 create mode 100644 test cases/common/272 unity/slib1.c
 create mode 100644 test cases/common/272 unity/slib2.c
 create mode 100644 test cases/common/272 unity/test.json

diff --git a/test cases/common/272 unity/meson.build b/test cases/common/272 unity/meson.build
new file mode 100644
index 000000000000..e41d437e8ac0
--- /dev/null
+++ b/test cases/common/272 unity/meson.build	
@@ -0,0 +1,15 @@
+project('unity', 'c',
+  default_options : [
+    'unity_size=2'])
+
+if get_option('unity') != 'on'
+  error('MESON_SKIP_TEST: unity builds not enabled')
+endif
+
+slib_notinstalled = static_library('slib_notinstalled', ['slib1.c', 'slib2.c'])
+
+slib_installed = static_library('slib_installed', 'slib.c', link_with : slib_notinstalled, install : true)
+
+executable('mustunity', 'mustunity1.c', 'mustunity2.c', link_with : slib_installed)
+executable('notunity', 'notunity1.c', 'notunity2.c',
+  override_options : ['unity=off'])
diff --git a/test cases/common/272 unity/mustunity1.c b/test cases/common/272 unity/mustunity1.c
new file mode 100644
index 000000000000..6120d48895f7
--- /dev/null
+++ b/test cases/common/272 unity/mustunity1.c	
@@ -0,0 +1,3 @@
+static int hidden_func(void) {
+    return 0;
+}
diff --git a/test cases/common/272 unity/mustunity2.c b/test cases/common/272 unity/mustunity2.c
new file mode 100644
index 000000000000..78dc999bc85e
--- /dev/null
+++ b/test cases/common/272 unity/mustunity2.c	
@@ -0,0 +1,9 @@
+/*
+ * Requires a Unity build. Otherwise hidden_func is not specified.
+ */
+
+int static_lib_func(void);
+
+int main(void) {
+    return hidden_func() + static_lib_func();
+}
diff --git a/test cases/common/272 unity/notunity1.c b/test cases/common/272 unity/notunity1.c
new file mode 100644
index 000000000000..094260e0456b
--- /dev/null
+++ b/test cases/common/272 unity/notunity1.c	
@@ -0,0 +1,7 @@
+static int duplicate_func(void) {
+    return 4;
+}
+
+int func(void) {
+    return duplicate_func();
+}
diff --git a/test cases/common/272 unity/notunity2.c b/test cases/common/272 unity/notunity2.c
new file mode 100644
index 000000000000..44e344f726d5
--- /dev/null
+++ b/test cases/common/272 unity/notunity2.c	
@@ -0,0 +1,9 @@
+int func(void);
+
+static int duplicate_func(void) {
+    return -4;
+}
+
+int main(void) {
+    return duplicate_func() + func();
+}
diff --git a/test cases/common/272 unity/slib.c b/test cases/common/272 unity/slib.c
new file mode 100644
index 000000000000..d7053366a47f
--- /dev/null
+++ b/test cases/common/272 unity/slib.c	
@@ -0,0 +1,6 @@
+int func1(void);
+int func2(void);
+
+int static_lib_func(void) {
+    return func1() + func2();
+}
diff --git a/test cases/common/272 unity/slib1.c b/test cases/common/272 unity/slib1.c
new file mode 100644
index 000000000000..35304eed65f1
--- /dev/null
+++ b/test cases/common/272 unity/slib1.c	
@@ -0,0 +1,3 @@
+int func1(void) {
+    return 1;
+}
diff --git a/test cases/common/272 unity/slib2.c b/test cases/common/272 unity/slib2.c
new file mode 100644
index 000000000000..5badf23bcb72
--- /dev/null
+++ b/test cases/common/272 unity/slib2.c	
@@ -0,0 +1,3 @@
+int func2(void) {
+    return 2;
+}
diff --git a/test cases/common/272 unity/test.json b/test cases/common/272 unity/test.json
new file mode 100644
index 000000000000..0a10fddb5989
--- /dev/null
+++ b/test cases/common/272 unity/test.json	
@@ -0,0 +1,5 @@
+{
+  "installed": [
+    {"type": "file", "file": "usr/lib/libslib_installed.a"}
+  ]
+}