initial

10 files changed, 566 insertions, 0 deletions

diff --git a/vendor/aws/aws-crt-php/tests/000_CoreTest.php b/vendor/aws/aws-crt-php/tests/000_CoreTest.php
new file mode 100644
index 0000000..e9e068a
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/000_CoreTest.php
@@ -0,0 +1,22 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT;
+
+require_once('common.inc');
+
+// This intentionally does not inherit from CrtTestCase because it needs a clean-room environment
+final class CoreTest extends PHPUnit_Framework_TestCase {
+
+    // The CRT should always be available in this test suite
+    public function testIsAvailable() {
+        $this->assertTrue(CRT::isAvailable());
+    }
+
+    // We have done nothing to necessitate loading the CRT, it should not be loaded
+    public function testIsLoaded() {
+        $this->assertTrue(!CRT::isLoaded());
+    }
+}
\ No newline at end of file
diff --git a/vendor/aws/aws-crt-php/tests/CrcTest.php b/vendor/aws/aws-crt-php/tests/CrcTest.php
new file mode 100644
index 0000000..56c5038
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/CrcTest.php
@@ -0,0 +1,90 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT;
+
+require_once('common.inc');
+
+final class CrcTest extends CrtTestCase {
+
+    public function testCrc32ZeroesOneShot() {
+        $input = implode(array_map("chr", array_fill(0, 32, 0)));
+        $output = CRT::crc32($input);
+        $expected = 0x190A55AD;
+        $this->assertEquals($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);
+        $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 testCrc32LargeBuffer() {
+        $input = implode(array_map("chr", array_fill(0, 1 << 20, 0)));
+        $output = CRT::crc32($input);
+        $expected = 0xA738EA1C;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cZeroesOneShot() {
+        $input = implode(array_map("chr", array_fill(0, 32, 0)));
+        $output = CRT::crc32c($input);
+        $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);
+        $expected = 0x46DD794E;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cValuesIterated() {
+        $output = 0;
+        foreach (range(0, 31) as $n) {
+            $output = CRT::crc32c(chr($n), $output);
+        }
+        $expected = 0x46DD794E;
+        $this->assertEquals($output, $expected);
+    }
+
+    public function testCrc32cLargeBuffer() {
+        $input = implode(array_map("chr", array_fill(0, 1 << 20, 0)));
+        $output = CRT::crc32c($input);
+        $expected = 0x14298C12;
+        $this->assertEquals($output, $expected);
+    }
+    
+}
diff --git a/vendor/aws/aws-crt-php/tests/CredentialsTest.php b/vendor/aws/aws-crt-php/tests/CredentialsTest.php
new file mode 100644
index 0000000..32a9c42
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/CredentialsTest.php
@@ -0,0 +1,46 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\Auth\AwsCredentials as AwsCredentials;
+use AWS\CRT\Auth\StaticCredentialsProvider as StaticCredentialsProvider;
+
+require_once('common.inc');
+
+final class CredentialsTest extends CrtTestCase {
+
+    public function testEmptyCredentials() {
+        $this->expectException(InvalidArgumentException::class);
+        $creds = new AwsCredentials(AwsCredentials::defaults());
+        $this->assertNotNull($creds, "Failed to create default/empty credentials");
+        $creds = null;
+    }
+
+    private function getCredentialsConfig() {
+        $options = AwsCredentials::defaults();
+        $options['access_key_id'] = 'TESTAWSACCESSKEYID';
+        $options['secret_access_key'] = 'TESTSECRETaccesskeyThatDefinitelyDoesntWork';
+        $options['session_token'] = 'ThisIsMyTestSessionTokenIMadeItUpMyself';
+        $options['expiration_timepoint_seconds'] = 42;
+        return $options;
+    }
+
+    public function testCredentialsLifetime() {
+        $options = $this->getCredentialsConfig();
+        $creds = new AwsCredentials($options);
+        $this->assertNotNull($creds, "Failed to create Credentials with options");
+        $this->assertEquals($creds->access_key_id, $options['access_key_id']);
+        $this->assertEquals($creds->secret_access_key, $options['secret_access_key']);
+        $this->assertEquals($creds->session_token, $options['session_token']);
+        $this->assertEquals($creds->expiration_timepoint_seconds, $options['expiration_timepoint_seconds']);
+        $creds = null;
+    }
+
+    public function testStaticCredentialsProviderLifetime() {
+        $options = $this->getCredentialsConfig();
+        $provider = new StaticCredentialsProvider($options);
+        $this->assertNotNull($provider, "Failed to create StaticCredentialsProvider");
+        $provider = null;
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/ErrorTest.php b/vendor/aws/aws-crt-php/tests/ErrorTest.php
new file mode 100644
index 0000000..e84d1ed
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/ErrorTest.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT;
+
+final class ErrorTest extends PHPUnit_Framework_TestCase {
+
+    public function testNoInitialError() {
+        $this->assertEquals(0, CRT::last_error());
+    }
+
+    public function testCanResolveErrorName() {
+        $this->assertEquals("AWS_ERROR_SUCCESS", CRT::error_name(0));
+    }
+
+    public function testCanResolveErrorStr() {
+        $this->assertEquals("Success.", CRT::error_str(0));
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/EventLoopGroupTest.php b/vendor/aws/aws-crt-php/tests/EventLoopGroupTest.php
new file mode 100644
index 0000000..6a52c69
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/EventLoopGroupTest.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\IO\EventLoopGroup as EventLoopGroup;
+
+require_once('common.inc');
+
+final class EventLoopGroupTest extends CrtTestCase {
+
+    public function testLifetime() {
+        $elg = new EventLoopGroup();
+        $this->assertNotNull($elg, "Failed to create default EventLoopGroup");
+        $elg = null;
+    }
+
+    public function testConstructionWithOptions() {
+        $options = EventLoopGroup::defaults();
+        $options['num_threads'] = 1;
+        $elg = new EventLoopGroup($options);
+        $this->assertNotNull($elg, "Failed to create EventLoopGroup with 1 thread");
+        $elg = null;
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/HttpMessageTest.php b/vendor/aws/aws-crt-php/tests/HttpMessageTest.php
new file mode 100644
index 0000000..eec18b6
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/HttpMessageTest.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\HTTP\Headers;
+use AWS\CRT\HTTP\Request;
+use AWS\CRT\HTTP\Response;
+
+require_once('common.inc');
+
+final class HttpMessageTest extends CrtTestCase {
+    public function testHeaders() {
+        $headers = new Headers();
+        $this->assertSame(0, $headers->count());
+    }
+
+    public function testHeadersMarshalling() {
+        $headers_array = [
+            "host" => "s3.amazonaws.com",
+            "test" => "this is a test header value"
+        ];
+        $headers = new Headers($headers_array);
+        $this->assertSame(2, $headers->count());
+        $this->assertSame($headers_array['host'], $headers->get('host'));
+        $this->assertSame($headers_array['test'], $headers->get('test'));
+        $buffer = Headers::marshall($headers);
+        $headers_copy = Headers::unmarshall($buffer);
+        $this->assertSame(2, $headers_copy->count());
+        $this->assertSame($headers_array['host'], $headers_copy->get('host'));
+        $this->assertSame($headers_array['test'], $headers_copy->get('test'));
+    }
+
+    private function assertMessagesMatch($a, $b) {
+        $this->assertSame($a->method(), $b->method());
+        $this->assertSame($a->path(), $b->path());
+        $this->assertSame($a->query(), $b->query());
+        $this->assertSame($a->headers()->toArray(), $b->headers()->toArray());
+    }
+
+    public function testRequestMarshalling() {
+        $headers = [
+            "host" => "s3.amazonaws.com",
+            "test" => "this is a test header value"
+        ];
+        $method = "GET";
+        $path = "/index.php";
+        $query = [];
+
+        $msg = new Request($method, $path, $query, $headers);
+        $msg_buf = Request::marshall($msg);
+        $msg_copy = Request::unmarshall($msg_buf);
+
+        $this->assertMessagesMatch($msg, $msg_copy);
+    }
+
+    public function testRequestMarshallingWithQueryParams() {
+        $headers = [
+            "host" => "s3.amazonaws.com",
+            "test" => "this is a test header value"
+        ];
+        $method = "GET";
+        $path = "/index.php";
+        $query = [
+            'request' => '1',
+            'test' => 'true',
+            'answer' => '42',
+            'foo' => 'bar',
+        ];
+
+        $msg = new Request($method, $path, $query, $headers);
+        $msg_buf = Request::marshall($msg);
+        $msg_copy = Request::unmarshall($msg_buf);
+
+        $this->assertMessagesMatch($msg, $msg_copy);
+    }
+
+    public function testResponseMarshalling() {
+        $headers = [
+            "content-length" => "42",
+            "test" => "this is a test header value"
+        ];
+        $method = "GET";
+        $path = "/index.php";
+        $query = [
+            'response' => '1'
+        ];
+
+        $msg = new Response($method, $path, $query, $headers, 200);
+        $msg_buf = Request::marshall($msg);
+        $msg_copy = Request::unmarshall($msg_buf);
+
+        $this->assertMessagesMatch($msg, $msg_copy);
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/LogTest.php b/vendor/aws/aws-crt-php/tests/LogTest.php
new file mode 100644
index 0000000..8beff34
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/LogTest.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\Log;
+
+require_once('common.inc');
+
+class LogTest extends CrtTestCase {
+
+    public function testLogToStream() {
+        $log_stream = fopen("php://memory", "r+");
+        $this->assertNotNull($log_stream);
+        Log::toStream($log_stream);
+        Log::setLogLevel(Log::TRACE);
+        Log::log(Log::TRACE, "THIS IS A TEST");
+        $this->assertTrue(rewind($log_stream));
+        $log_contents = stream_get_contents($log_stream, -1, 0);
+        $this->assertStringEndsWith("THIS IS A TEST", trim($log_contents));
+        Log::stop();
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/SigningTest.php b/vendor/aws/aws-crt-php/tests/SigningTest.php
new file mode 100644
index 0000000..77399ab
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/SigningTest.php
@@ -0,0 +1,176 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+use AWS\CRT\Auth\SignatureType;
+use AWS\CRT\Auth\SigningAlgorithm;
+use AWS\CRT\Auth\SigningConfigAWS;
+use AWS\CRT\Auth\Signing;
+use AWS\CRT\Auth\Signable;
+use AWS\CRT\Auth\StaticCredentialsProvider;
+use AWS\CRT\HTTP\Request;
+
+require_once('common.inc');
+
+final class SigningTest extends CrtTestCase {
+
+    public function testConfigAWSLifetime() {
+        $config = new SigningConfigAWS();
+        $this->assertNotNull($config, "Failed to create default SigningConfigAWS");
+        $config = null;
+    }
+
+    public function testConfigAWSConstructionWithOptions() {
+        $options = SigningConfigAWS::defaults();
+        $options['service'] = 'CRT';
+        $options['region'] = 'CRT';
+        $config = new SigningConfigAWS($options);
+        $this->assertNotNull($config, "Failed to create SigningConfigAWS with custom options");
+        $config = null;
+    }
+
+    public function testSignableFromHttpRequestLifetime() {
+        $request = new Request('GET', '/');
+        $signable = Signable::fromHttpRequest($request);
+        $this->assertNotNull($signable, "Failed to create Signable from HTTP::Request");
+        $signable = null;
+    }
+
+    public function testSignableFromChunkLifetime() {
+        $chunk = "THIS IS A TEST CHUNK IT CONTAINS MULTITUDES";
+        $stream = fopen("php://memory", 'r+');
+        fputs($stream, $chunk);
+        rewind($stream);
+        $signable = Signable::fromChunk($stream);
+        $this->assertNotNull($signable, "Failed to create Signable from chunk stream");
+        $signable = null;
+    }
+
+    public function testSignableFromCanonicalRequestLifetime() {
+        $canonical_request = "THIS IS A CANONICAL_REQUEST. IT IS DEEPLY CANONICAL";
+        $signable = Signable::fromCanonicalRequest($canonical_request);
+        $this->assertNotNull($signable, "Failed to create Signable from canonical request");
+        $signable = null;
+    }
+
+    const SIGV4TEST_ACCESS_KEY_ID = 'AKIDEXAMPLE';
+    const SIGV4TEST_SECRET_ACCESS_KEY = 'wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY';
+    const SIGV4TEST_SESSION_TOKEN = null;
+    const SIGV4TEST_SERVICE = 'service';
+    const SIGV4TEST_REGION = 'us-east-1';
+    private static function SIGV4TEST_DATE() {
+        return mktime(12, 36, 0, 8, 30, 2015);
+    }
+
+    public function testShouldSignHeader() {
+        $credentials_provider = new StaticCredentialsProvider([
+            'access_key_id' => self::SIGV4TEST_ACCESS_KEY_ID,
+            'secret_access_key' => self::SIGV4TEST_SECRET_ACCESS_KEY,
+            'session_token' => self::SIGV4TEST_SESSION_TOKEN,
+        ]);
+        $signing_config = new SigningConfigAWS([
+            'algorithm' => SigningAlgorithm::SIGv4,
+            'signature_type' => SignatureType::HTTP_REQUEST_HEADERS,
+            'credentials_provider' => $credentials_provider,
+            'region' => self::SIGV4TEST_REGION,
+            'service' => self::SIGV4TEST_SERVICE,
+            'date' => self::SIGV4TEST_DATE(),
+            'should_sign_header' => function($header) {
+                return strtolower($header) != 'x-do-not-sign';
+            }
+        ]);
+        $http_request = new Request('GET', '/', [], [
+            'Host' => 'example.amazonaws.com',
+            'X-Do-Not-Sign' => 'DO NOT SIGN THIS']);
+        $this->assertNotNull($http_request, "Unable to create HttpRequest for signing");
+        $signable = Signable::fromHttpRequest($http_request);
+        $this->assertNotNull($signable, "Unable to create signable from HttpRequest");
+
+        Signing::signRequestAws(
+            $signable, $signing_config,
+            function($signing_result, $error_code) use (&$http_request) {
+                $this->assertEquals(0, $error_code);
+                $signing_result->applyToHttpRequest($http_request);
+            }
+        );
+
+        // This signature value is computed without the X-Do-Not-Sign header above
+        $headers = $http_request->headers();
+        $this->assertEquals(
+            'AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/service/aws4_request, SignedHeaders=host;x-amz-date, Signature=5fa00fa31553b73ebf1942676e86291e8372ff2a2260956d9b8aae1d763fbf31',
+            $headers->get('Authorization'));
+    }
+
+    public function testSigv4HeaderSigning() {
+        $credentials_provider = new StaticCredentialsProvider([
+            'access_key_id' => self::SIGV4TEST_ACCESS_KEY_ID,
+            'secret_access_key' => self::SIGV4TEST_SECRET_ACCESS_KEY,
+            'session_token' => self::SIGV4TEST_SESSION_TOKEN,
+        ]);
+        $signing_config = new SigningConfigAWS([
+            'algorithm' => SigningAlgorithm::SIGv4,
+            'signature_type' => SignatureType::HTTP_REQUEST_HEADERS,
+            'credentials_provider' => $credentials_provider,
+            'region' => self::SIGV4TEST_REGION,
+            'service' => self::SIGV4TEST_SERVICE,
+            'date' => self::SIGV4TEST_DATE(),
+        ]);
+        $http_request = new Request('GET', '/', [], ['Host' => 'example.amazonaws.com']);
+        $this->assertNotNull($http_request, "Unable to create HttpRequest for signing");
+        $signable = Signable::fromHttpRequest($http_request);
+        $this->assertNotNull($signable, "Unable to create signable from HttpRequest");
+
+        Signing::signRequestAws(
+            $signable, $signing_config,
+            function($signing_result, $error_code) use (&$http_request) {
+                $this->assertEquals(0, $error_code);
+                $signing_result->applyToHttpRequest($http_request);
+            }
+        );
+
+        $headers = $http_request->headers();
+        $this->assertEquals(
+            'AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/service/aws4_request, SignedHeaders=host;x-amz-date, Signature=5fa00fa31553b73ebf1942676e86291e8372ff2a2260956d9b8aae1d763fbf31',
+            $headers->get('Authorization'));
+        $this->assertEquals('20150830T123600Z', $headers->get('X-Amz-Date'));
+    }
+
+    public function testSigV4aHeaderSigning() {
+        $credentials_provider = new StaticCredentialsProvider([
+            'access_key_id' => self::SIGV4TEST_ACCESS_KEY_ID,
+            'secret_access_key' => self::SIGV4TEST_SECRET_ACCESS_KEY,
+            'session_token' => self::SIGV4TEST_SESSION_TOKEN,
+        ]);
+        $signing_config = new SigningConfigAWS([
+            'algorithm' => SigningAlgorithm::SIGv4_ASYMMETRIC,
+            'signature_type' => SignatureType::HTTP_REQUEST_HEADERS,
+            'credentials_provider' => $credentials_provider,
+            'region' => self::SIGV4TEST_REGION,
+            'service' => self::SIGV4TEST_SERVICE,
+            'date' => self::SIGV4TEST_DATE(),
+        ]);
+
+        $http_request = new Request('GET', '/', [], ['Host' => 'example.amazonaws.com']);
+        $this->assertNotNull($http_request, "Unable to create HttpRequest for signing");
+        $signable = Signable::fromHttpRequest($http_request);
+        $this->assertNotNull($signable, "Unable to create signable from HttpRequest");
+
+        Signing::signRequestAws(
+            $signable, $signing_config,
+            function($signing_result, $error_code) use (&$http_request) {
+                $this->assertEquals(0, $error_code);
+                $signing_result->applyToHttpRequest($http_request);
+            }
+        );
+
+        $headers = $http_request->headers();
+        $auth_header_value = $headers->get('Authorization');
+        $this->assertNotNull($auth_header_value);
+        $this->assertStringStartsWith(
+            'AWS4-ECDSA-P256-SHA256 Credential=AKIDEXAMPLE/20150830/service/aws4_request, SignedHeaders=host;x-amz-date;x-amz-region-set, Signature=',
+            $auth_header_value);
+        $this->assertEquals('20150830T123600Z', $headers->get('X-Amz-Date'));
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/StreamTest.php b/vendor/aws/aws-crt-php/tests/StreamTest.php
new file mode 100644
index 0000000..f8a116a
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/StreamTest.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\IO\InputStream as InputStream;
+
+require_once('common.inc');
+
+final class InputStreamTest extends CrtTestCase {
+
+    const MEM_STREAM_CONTENTS = "THIS IS A TEST";
+
+    private function getMemoryStream() {
+        $stream = fopen("php://memory", 'r+');
+        fputs($stream, self::MEM_STREAM_CONTENTS);
+        rewind($stream);
+        return $stream;
+    }
+
+    public function testMemoryStream() {
+        $mem_stream = $this->getMemoryStream();
+        $stream = new InputStream($mem_stream);
+        $this->assertNotNull($stream, "Failed to create InputStream from PHP memory stream");
+        $this->assertEquals(strlen(self::MEM_STREAM_CONTENTS), $stream->length(), "Stream length doesn't match source buffer");
+        $this->assertEquals(self::MEM_STREAM_CONTENTS, $stream->read(), "Stream doesn't match source buffer");
+        $this->assertTrue($stream->eof(), "Stream is not EOF after reading");
+        $this->assertEquals(0, $stream->seek(0, InputStream::SEEK_BEGIN), "Unable to rewind stream");
+        $this->assertFalse($stream->eof(), "Stream is EOF after rewinding");
+        $this->assertEquals(0, $stream->seek(0, InputStream::SEEK_END), "Unable to seek to end of stream");
+        $this->assertTrue($stream->eof(), "Stream is not EOF after seeking to end");
+        $stream = null;
+    }
+}
diff --git a/vendor/aws/aws-crt-php/tests/common.inc b/vendor/aws/aws-crt-php/tests/common.inc
new file mode 100644
index 0000000..1a7e8f8
--- /dev/null
+++ b/vendor/aws/aws-crt-php/tests/common.inc
@@ -0,0 +1,34 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT as CRT;
+
+ini_set("memory_limit", "512M");
+
+abstract class CrtTestCase extends PHPUnit_Framework_TestCase {
+    private static $crt = null;
+    public static function setUpBeforeClass() {
+        self::$crt = new CRT();
+    }
+
+    public static function tearDownAfterClass() {
+        self::$crt = null;
+    }
+
+    // Ensure that after every test there are no errors in the CRT itself
+    protected function assertPostConditions() {
+        if (CRT::last_error()) {
+            $this->fail("Test left an error on the stack: " . CRT::error_name(CRT::last_error()));
+        }
+    }
+
+    // Shim missing calls in older versions of PHPUnit
+    public function __call($name, $arguments) {
+        // shim expectException -> setExpectedException for PHPUnit 4.8.x
+        if ($name == 'expectException') {
+            $this->setExpectedException($arguments[0]);
+        }
+    }
+}