fix .gitignore

.gitignore

@@ -28,11 +28,11 @@ missing
 mkinstalldirs
 modules
 run-tests.php
-tests/*/*.diff
-tests/*/*.out
-tests/*/*.php
-tests/*/*.exp
-tests/*/*.log
-tests/*/*.sh
+tests/*.diff
+tests/*.out
+tests/*.php
+tests/*.exp
+tests/*.log
+tests/*.sh
 .idea/
 .vscode/

tests/includes/assert.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * Print message if test fail.
+ *
+ * @param string $test
+ * @param array $cases
+ * @return bool
+ */
+function batch_assert($test, ...$cases) {
+    foreach ($cases as $case) {
+        [$expected, $got] = $case;
+        if ($expected == $got) {
+            continue;
+        }
+        echo "Test for $test failed.\n";
+        $expected = var_export($expected, true);
+        $got      = var_export($got,      true);
+        echo "Expected:\n$expected\n";
+        echo "Got:\n$got\n";
+        return false;
+    }
+    return true;
+}

tests/includes/loaded.php

@@ -0,0 +1,5 @@
+<?php
+
+if (!extension_loaded('arma')) {
+    echo 'skip armadillo extension is not loaded.';
+}