Use do_run_from_file() for test_alloca_stack

3 files changed, 23 insertions, 19 deletions

diff --git a/tests/core/test_alloca_stack.in b/tests/core/test_alloca_stack.in
new file mode 100644
index 00000000..ab7c7306
--- /dev/null
+++ b/tests/core/test_alloca_stack.in
@@ -0,0 +1,19 @@
+
+// We should not blow up the stack with numerous allocas
+      #include <stdio.h>
+      #include <stdlib.h>
+
+      func(int i) {
+        char *pc = (char *)alloca(100);
+        *pc = i;
+        (*pc)++;
+        return (*pc) % 10;
+      }
+      int main() {
+        int total = 0;
+        for (int i = 0; i < 1024*1024; i++)
+          total += func(i);
+        printf("ok:%d*\n", total);
+        return 0;
+      }
+    
diff --git a/tests/core/test_alloca_stack.out b/tests/core/test_alloca_stack.out
new file mode 100644
index 00000000..d6a90d4e
--- /dev/null
+++ b/tests/core/test_alloca_stack.out
@@ -0,0 +1 @@
+ok:-32768*
\ No newline at end of file
diff --git a/tests/test_core.py b/tests/test_core.py
index 0092a27d..4b4ad6b4 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -1564,26 +1564,10 @@ class T(RunnerCore): # Short name, to make it more fun to use manually on the co
   def test_alloca_stack(self):
     if self.emcc_args is None: return # too slow in other modes
 
-    # We should not blow up the stack with numerous allocas
-    src = '''
-      #include <stdio.h>
-      #include <stdlib.h>
+    test_path = path_from_root('tests', 'core', 'test_alloca_stack')
+    src, output = (test_path + s for s in ('.in', '.out'))
 
-      func(int i) {
-        char *pc = (char *)alloca(100);
-        *pc = i;
-        (*pc)++;
-        return (*pc) % 10;
-      }
-      int main() {
-        int total = 0;
-        for (int i = 0; i < 1024*1024; i++)
-          total += func(i);
-        printf("ok:%d*\\n", total);
-        return 0;
-      }
-    '''
-    self.do_run(src, 'ok:-32768*', force_c=True)
+    self.do_run_from_file(src, output, force_c=True)
 
   def test_stack_byval(self):
     if self.emcc_args is None: return # too slow in other modes