From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/fmt/test/mock-allocator.h | 64 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/fmt/test/mock-allocator.h

(limited to 'src/fmt/test/mock-allocator.h')

diff --git a/src/fmt/test/mock-allocator.h b/src/fmt/test/mock-allocator.h
new file mode 100644
index 000000000..6a67e08f4
--- /dev/null
+++ b/src/fmt/test/mock-allocator.h
@@ -0,0 +1,64 @@
+// Formatting library for C++ - mock allocator
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_MOCK_ALLOCATOR_H_
+#define FMT_MOCK_ALLOCATOR_H_
+
+#include <assert.h>  // assert
+#include <stddef.h>  // size_t
+
+#include <memory>  // std::allocator_traits
+
+#include "gmock/gmock.h"
+
+template <typename T> class mock_allocator {
+ public:
+  mock_allocator() {}
+  mock_allocator(const mock_allocator&) {}
+  using value_type = T;
+  MOCK_METHOD1_T(allocate, T*(size_t n));
+  MOCK_METHOD2_T(deallocate, void(T* p, size_t n));
+};
+
+template <typename Allocator> class allocator_ref {
+ private:
+  Allocator* alloc_;
+
+  void move(allocator_ref& other) {
+    alloc_ = other.alloc_;
+    other.alloc_ = nullptr;
+  }
+
+ public:
+  using value_type = typename Allocator::value_type;
+
+  explicit allocator_ref(Allocator* alloc = nullptr) : alloc_(alloc) {}
+
+  allocator_ref(const allocator_ref& other) : alloc_(other.alloc_) {}
+  allocator_ref(allocator_ref&& other) { move(other); }
+
+  allocator_ref& operator=(allocator_ref&& other) {
+    assert(this != &other);
+    move(other);
+    return *this;
+  }
+
+  allocator_ref& operator=(const allocator_ref& other) {
+    alloc_ = other.alloc_;
+    return *this;
+  }
+
+ public:
+  Allocator* get() const { return alloc_; }
+
+  value_type* allocate(size_t n) {
+    return std::allocator_traits<Allocator>::allocate(*alloc_, n);
+  }
+  void deallocate(value_type* p, size_t n) { alloc_->deallocate(p, n); }
+};
+
+#endif  // FMT_MOCK_ALLOCATOR_H_
-- 
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