diff --git a/tests/allocator_test.cc b/tests/allocator_test.cc
index 2f8213b814..501e50a6c6 100644
--- a/tests/allocator_test.cc
+++ b/tests/allocator_test.cc
@@ -11,65 +11,65 @@
 #include <memory>
 
 struct allocation {
-	size_t n;
-	std::unique_ptr<char[]> data;
-	char poison;
-	allocation(size_t n, char poison) : n(n), data(new char[n]), poison(poison) {
-		std::fill_n(data.get(), n, poison);
-	}
-	~allocation() {
-		verify();
-	}
-	allocation(allocation&& x) noexcept = default;
-	void verify() {
-		if (data) {
-			assert(std::find_if(data.get(), data.get() + n, [this] (char c) {
-				return c != poison;
-			}) == data.get() + n);
-		}
-	}
-	allocation& operator=(allocation&& x) {
-		verify();
-		if (this != &x) {
-			data = std::move(x.data);
-			n = x.n;
-			poison = x.poison;
-		}
-		return *this;
-	}
+    size_t n;
+    std::unique_ptr<char[]> data;
+    char poison;
+    allocation(size_t n, char poison) : n(n), data(new char[n]), poison(poison) {
+        std::fill_n(data.get(), n, poison);
+    }
+    ~allocation() {
+        verify();
+    }
+    allocation(allocation&& x) noexcept = default;
+    void verify() {
+        if (data) {
+            assert(std::find_if(data.get(), data.get() + n, [this] (char c) {
+                return c != poison;
+            }) == data.get() + n);
+        }
+    }
+    allocation& operator=(allocation&& x) {
+        verify();
+        if (this != &x) {
+            data = std::move(x.data);
+            n = x.n;
+            poison = x.poison;
+        }
+        return *this;
+    }
 };
 
 int main(int ac, char** av) {
-	std::default_random_engine random_engine;
-	std::exponential_distribution<> distr(0.2);
-	std::uniform_int_distribution<> type(0, 1);
-	std::uniform_int_distribution<char> poison(-128, 127);
-	std::uniform_real_distribution<> which(0, 1);
-	std::vector<allocation> allocations;
-	for (auto i = 0; i < 200000; ++i) {
-		auto typ = type(random_engine);
-		switch (typ) {
-		case 0: {
-			auto n = std::min<size_t>(std::exp(distr(random_engine)), 1 << 25);
-			try {
-				allocations.emplace_back(n, poison(random_engine));
-			} catch (std::bad_alloc&) {
+    std::default_random_engine random_engine;
+    std::exponential_distribution<> distr(0.2);
+    std::uniform_int_distribution<> type(0, 1);
+    std::uniform_int_distribution<char> poison(-128, 127);
+    std::uniform_real_distribution<> which(0, 1);
+    std::vector<allocation> allocations;
+    for (auto i = 0; i < 200000; ++i) {
+        auto typ = type(random_engine);
+        switch (typ) {
+        case 0: {
+            auto n = std::min<size_t>(std::exp(distr(random_engine)), 1 << 25);
+            try {
+                allocations.emplace_back(n, poison(random_engine));
+            } catch (std::bad_alloc&) {
 
-			}
-			break;
-		}
-		case 1: {
-			if (allocations.empty()) {
-				continue;
-			}
-			size_t i = which(random_engine) * allocations.size();
-			allocations[i] = std::move(allocations.back());
-			allocations.pop_back();
-			break;
-		}
-		}
-	}
-	return 0;
+            }
+            break;
+        }
+        case 1: {
+            if (allocations.empty()) {
+                continue;
+            }
+            size_t i = which(random_engine) * allocations.size();
+            allocations[i] = std::move(allocations.back());
+            allocations.pop_back();
+            break;
+        }
+        }
+    }
+    return 0;
 }