unity builds: test for build failure when #files is divided by unity_…

…size

test cases/common/131 override options/meson.build

@@ -1,6 +1,12 @@
 project('option override', 'c',
-  default_options : 'unity=on')
+  default_options : [
+    'unity=on',
+    'unity_size=2'])
 
-executable('mustunity', 'one.c', 'two.c')
-executable('notunity', 'three.c', 'four.c',
+slib_notinstalled = static_library('slib_notinstalled', ['slib1.c', 'slib2.c', 'slib3.c', 'slib4.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'])

test cases/common/131 override options/two.c → test cases/common/131 override options/mustunity2.c

@@ -1,6 +1,9 @@
 /*
  * Requires a Unity build. Otherwise hidden_func is not specified.
  */
+
+int static_lib_func(void);
+
 int main(void) {
-    return hidden_func();
+    return hidden_func() + static_lib_func();
 }

test cases/common/131 override options/slib.c

@@ -0,0 +1,8 @@
+int func1(void);
+int func2(void);
+int func3(void);
+int func4(void);
+
+int static_lib_func(void) {
+    return func1() + func2() + func3() + func4();
+}

test cases/common/131 override options/slib1.c

@@ -0,0 +1,3 @@
+int func1(void) {
+    return 1;
+}

test cases/common/131 override options/slib2.c

@@ -0,0 +1,3 @@
+int func2(void) {
+    return 2;
+}

test cases/common/131 override options/slib3.c

@@ -0,0 +1,3 @@
+int func3(void) {
+    return 3;
+}

test cases/common/131 override options/slib4.c

@@ -0,0 +1,3 @@
+int func4(void) {
+    return 4;
+}

test cases/common/131 override options/test.json

@@ -0,0 +1,5 @@
+{
+  "installed": [
+    {"type": "file", "file": "usr/lib/libslib_installed.a"}
+  ]
+}