Switch from RuntimeError to ValueError

Author: emmatyping

Lib/test/test_zstd.py

@@ -434,7 +434,7 @@ def test_set_pledged_input_size(self):
         c = ZstdCompressor(level=1)
         c.compress(b'123456')
         self.assertEqual(c.last_mode, c.CONTINUE)
-        with self.assertRaisesRegex(RuntimeError,
+        with self.assertRaisesRegex(ValueError,
                                     r'last_mode == FLUSH_FRAME'):
             c.set_pledged_input_size(300)
 

Modules/_zstd/compressor.c

@@ -770,7 +770,7 @@ _zstd_ZstdCompressor_set_pledged_input_size_impl(ZstdCompressor *self,
 
     /* Check the current mode */
     if (self->last_mode != ZSTD_e_end) {
-        PyErr_SetString(PyExc_RuntimeError,
+        PyErr_SetString(PyExc_ValueError,
                         "set_pledged_input_size() method must be called "
                         "when last_mode == FLUSH_FRAME");
         PyMutex_Unlock(&self->lock);