Fixed calcMinBoundingSphere hang, and ProcessReader quoting on Windows. (#463)

tests/process_test.cpp

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2010-2026 Branimir Karadzic. All rights reserved.
+ * License: https://github.com/bkaradzic/bx/blob/master/LICENSE
+ */
+
+#include "test.h"
+#include <bx/file.h>
+#include <bx/process.h>
+#include <bx/string.h>
+
+#if BX_PLATFORM_WINDOWS
+TEST_CASE("ProcessReader quoted path and arguments", "[process]")
+{
+	bx::FilePath dir(bx::Dir::Temp);
+	dir.join("bx process test");
+	bx::removeAll(dir, bx::ErrorIgnore{});
+	REQUIRE(bx::makeAll(dir, bx::ErrorAssert{}) );
+
+	bx::FilePath file(dir);
+	file.join("echo.bat");
+
+	{
+		const bx::StringView script = "@echo %*\r\n";
+
+		bx::FileWriter writer;
+		REQUIRE(bx::open(&writer, file, false, bx::ErrorAssert{}) );
+		REQUIRE(script.getLength() == bx::write(&writer, script.getPtr(), script.getLength(), bx::ErrorAssert{}) );
+		bx::close(&writer);
+	}
+
+	bx::ProcessReader reader;
+	bx::Error err;
+
+	REQUIRE(reader.open(file, "\"a b\" c", &err) );
+
+	char tmp[256];
+	const int32_t size = bx::read(&reader, tmp, sizeof(tmp)-1, &err);
+	reader.close();
+	tmp[size] = '\0';
+
+	bx::removeAll(dir, bx::ErrorIgnore{});
+
+	REQUIRE(0 == reader.getExitCode() );
+	REQUIRE(bx::hasPrefix(tmp, "\"a b\" c") );
+}
+
+TEST_CASE("ProcessReader command line too long", "[process]")
+{
+	char args[bx::kMaxFilePath*2];
+	bx::memSet(args, 'a', sizeof(args)-1);
+	args[sizeof(args)-1] = '\0';
+
+	bx::ProcessReader reader;
+	bx::Error err;
+
+	const bool opened = reader.open("C:/Windows/System32/cmd.exe", args, &err);
+	if (opened)
+	{
+		reader.close();
+	}
+
+	REQUIRE(!opened);
+	REQUIRE(!err.isOk() );
+}
+#endif // BX_PLATFORM_WINDOWS