Use do_run_from_file() for test_i64_cmp2

1 files changed, 3 insertions, 40 deletions

diff --git a/tests/test_core.py b/tests/test_core.py
index 319ecda6..bd57b541 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -280,48 +280,11 @@ class T(RunnerCore): # Short name, to make it more fun to use manually on the co
   def test_i64_cmp2(self):
       if Settings.USE_TYPED_ARRAYS != 2: return self.skip('full i64 stuff only in ta2')
 
-      src = r'''
-        #include <inttypes.h>
-        #include <stdio.h>
-
-        typedef int32_t INT32;
-        typedef int64_t INT64;
-        typedef uint8_t UINT8;
-
-        void interface_clock_changed()
-        {
-          UINT8 m_divshift;
-          INT32 m_divisor;
-
-          //INT64 attos = m_attoseconds_per_cycle;
-          INT64 attos = 279365114840;
-          m_divshift = 0;
-          while (attos >= (1UL << 31))
-          {
-            m_divshift++;
-            printf("m_divshift is %i, on %Ld >?= %lu\n", m_divshift, attos, 1UL << 31);
-            attos >>= 1;
-          }
-          m_divisor = attos;
+      test_path = path_from_root('tests', 'core', 'test_i64_cmp2')
+      src, output = (test_path + s for s in ('.in', '.out'))
 
-          printf("m_divisor is %i\n",m_divisor);
-        }
+      self.do_run_from_file(src, output)
 
-        int main() {
-          interface_clock_changed();
-          return 0;
-        }
-      '''
-      self.do_run(src, '''m_divshift is 1, on 279365114840 >?= 2147483648
-m_divshift is 2, on 139682557420 >?= 2147483648
-m_divshift is 3, on 69841278710 >?= 2147483648
-m_divshift is 4, on 34920639355 >?= 2147483648
-m_divshift is 5, on 17460319677 >?= 2147483648
-m_divshift is 6, on 8730159838 >?= 2147483648
-m_divshift is 7, on 4365079919 >?= 2147483648
-m_divshift is 8, on 2182539959 >?= 2147483648
-m_divisor is 1091269979
-''')
 
   def test_i64_double(self):
       if Settings.USE_TYPED_ARRAYS != 2: return self.skip('full i64 stuff only in ta2')