added test case for Git2\TreeBuilder::write

Author: chobie

tests/007-02-tree_builder_write.phpt

@@ -0,0 +1,32 @@
+--TEST--
+Check for Git2\TreeBuilder::construct
+--SKIPIF--
+<?php if (!extension_loaded("git2")) print "skip"; ?>
+--FILE--
+<?php
+$path = __DIR__ . '/mock/007-02';
+if (file_exists($path)) {
+	`rm -rf {$path}`;
+}
+
+$repo = Git2\Repository::init($path,true);
+
+$bld = new Git2\TreeBuilder();
+$bld->insert(new Git2\TreeEntry(array(
+	"name" => "README.txt",
+	"oid" => "63542fbea05732b78711479a31557bd1b0aa2116",
+	"attributes" => 33188,
+)));
+$oid = $bld->write($repo);
+echo $oid . PHP_EOL;
+if (is_file($path . "/objects/75/b9737032278849da7e57829164a1265911afda")) {
+  echo "PASS" . PHP_EOL;
+} else {
+  echo "FAIL" . PHP_EOL;
+}
+echo `GIT_DIR={$path} git ls-tree 75b9737032278849da7e57829164a1265911afda`;
+`rm -rf {$path}`;
+--EXPECT--
+75b9737032278849da7e57829164a1265911afda
+PASS
+100644 blob 63542fbea05732b78711479a31557bd1b0aa2116	README.txt