ZVAL_STRINGL please work

tests/CrcTest.php

@@ -11,7 +11,7 @@ final class CrcTest extends CrtTestCase {
 
     public function testCrc32ZeroesOneShot() {
         $input = implode(array_map("chr", array_fill(0, 32, 0)));
-        $output = CRT::crc32($input);
+        $output = CRT::crc32($input, 0);
         $expected = 0x190A55AD;
         $this->assertEquals($output, $expected);
     }
@@ -25,6 +25,54 @@ final class CrcTest extends CrtTestCase {
         $this->assertEquals($output, $expected);
     }
 
+    public function testCrc32ValuesOneShot() {
+        $input = implode(array_map("chr", range(0, 31)));
+        $output = CRT::crc32($input, 0);
+        $expected = 0x91267E8A;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32ValuesIterated() {
+        $output = 0;
+        foreach (range(0, 31) as $n) {
+            $output = CRT::crc32(chr($n), $output);
+        }
+        $expected = 0x91267E8A;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cZeroesOneShot() {
+        $input = implode(array_map("chr", array_fill(0, 32, 0)));
+        $output = CRT::crc32c($input, 0);
+        $expected = 0x8A9136AA;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cZeroesIterated() {
+        $output = 0;
+        for ($i = 0; $i < 32; $i++) {
+            $output = CRT::crc32c("\x00", $output);
+        }
+        $expected = 0x8A9136AA;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cValuesOneShot() {
+        $input = implode(array_map("chr", range(0, 31)));
+        $output = CRT::crc32c($input, 0);
+        $expected = 0x46DD794E;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32ZeroesIterated() {
+        $output = 0;
+        for ($i = 0; $i < 32; $i++) {
+            $output = CRT::crc32("\x00", $output);
+        }
+        $expected = 0x190A55AD;
+        $this->assertEquals($output, $expected);
+    }
+
     public function testCrc32ValuesOneShot() {
         $input = implode(array_map("chr", range(0, 31)));
         $output = CRT::crc32($input);

tests/HashTest.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT;
+use AWS\CRT\Cal\Hash;
+
+require_once('common.inc');
+
+final class HashTest extends CrtTestCase {
+
+    public function testSha256Empty() {
+        $h = Hash::sha256_new();
+        $digest = $h->digest(0);
+        $expected = '\xe3\xb0\xc4\x42\x98\xfc\x1c\x14\x9a\xfb\xf4\xc8\x99\x6f\xb9\x24\x27\xae\x41\xe4\x64\x9b\x93\x4c\xa4\x95\x99\x1b\x78\x52\xb8\x55';
+        // $expected = 'test2';
+        $this->assertEquals($expected, $digest);
+    }
+}