From 6e8f9e1c6781cab68d99a2da696d042842d3bec8 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Thu, 6 Dec 2007 11:42:28 +0000
Subject: [PATCH] Seed the random number generator in tests.

[SVN r41782]
---
 test/exception/assign_tests.cpp      | 2 ++
 test/exception/constructor_tests.cpp | 2 ++
 test/exception/copy_tests.cpp        | 2 ++
 test/exception/erase_tests.cpp       | 2 ++
 test/exception/insert_tests.cpp      | 2 ++
 test/exception/rehash_tests.cpp      | 2 ++
 test/exception/swap_tests.cpp        | 2 ++
 test/helpers/generators.hpp          | 9 +++++++--
 test/unordered/assign_tests.cpp      | 2 ++
 test/unordered/bucket_tests.cpp      | 2 ++
 test/unordered/constructor_tests.cpp | 2 ++
 test/unordered/copy_tests.cpp        | 2 ++
 test/unordered/erase_tests.cpp       | 2 ++
 test/unordered/find_tests.cpp        | 2 ++
 test/unordered/insert_tests.cpp      | 2 ++
 test/unordered/load_factor_tests.cpp | 2 ++
 test/unordered/rehash_tests.cpp      | 2 ++
 test/unordered/swap_tests.cpp        | 2 ++
 18 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/test/exception/assign_tests.cpp b/test/exception/assign_tests.cpp
index bacac5a8..dfff9727 100644
--- a/test/exception/assign_tests.cpp
+++ b/test/exception/assign_tests.cpp
@@ -11,6 +11,8 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/invariants.hpp"
 
+test::seed_t seed(12847);
+
 template <class T>
 struct self_assign_base : public test::exception_base
 {
diff --git a/test/exception/constructor_tests.cpp b/test/exception/constructor_tests.cpp
index 0581161b..d822e315 100644
--- a/test/exception/constructor_tests.cpp
+++ b/test/exception/constructor_tests.cpp
@@ -11,6 +11,8 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/input_iterator.hpp"
 
+test::seed_t seed(91274);
+
 struct objects
 {
     test::exception::object obj;
diff --git a/test/exception/copy_tests.cpp b/test/exception/copy_tests.cpp
index b4bc3412..53a66514 100644
--- a/test/exception/copy_tests.cpp
+++ b/test/exception/copy_tests.cpp
@@ -10,6 +10,8 @@
 #include <boost/test/exception_safety.hpp>
 #include "../helpers/random_values.hpp"
 
+test::seed_t seed(73041);
+
 template <class T>
 struct copy_test1 : public test::exception_base
 {
diff --git a/test/exception/erase_tests.cpp b/test/exception/erase_tests.cpp
index 318a0262..240e98b0 100644
--- a/test/exception/erase_tests.cpp
+++ b/test/exception/erase_tests.cpp
@@ -12,6 +12,8 @@
 #include "../helpers/invariants.hpp"
 #include "../helpers/helpers.hpp"
 
+test::seed_t seed(835193);
+
 template <class T>
 struct erase_test_base : public test::exception_base
 {
diff --git a/test/exception/insert_tests.cpp b/test/exception/insert_tests.cpp
index e0375521..be498a70 100644
--- a/test/exception/insert_tests.cpp
+++ b/test/exception/insert_tests.cpp
@@ -16,6 +16,8 @@
 
 #include <cmath>
 
+test::seed_t seed(747373);
+
 template <class T>
 struct insert_test_base : public test::exception_base
 {
diff --git a/test/exception/rehash_tests.cpp b/test/exception/rehash_tests.cpp
index 5fac9b9f..1178f4ef 100644
--- a/test/exception/rehash_tests.cpp
+++ b/test/exception/rehash_tests.cpp
@@ -15,6 +15,8 @@
 
 #include <iostream>
 
+test::seed_t seed(3298597);
+
 template <class T>
 struct rehash_test_base : public test::exception_base
 {
diff --git a/test/exception/swap_tests.cpp b/test/exception/swap_tests.cpp
index 248260ab..2812e007 100644
--- a/test/exception/swap_tests.cpp
+++ b/test/exception/swap_tests.cpp
@@ -11,6 +11,8 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/invariants.hpp"
 
+test::seed_t seed(9387);
+
 template <class T>
 struct self_swap_base : public test::exception_base
 {
diff --git a/test/helpers/generators.hpp b/test/helpers/generators.hpp
index 792b240e..4322d5be 100644
--- a/test/helpers/generators.hpp
+++ b/test/helpers/generators.hpp
@@ -7,8 +7,6 @@
 // Which is not good as different platforms will be running different tests.
 // It would be much better to use Boost.Random, but it doesn't
 // support all the compilers that I want to test on.
-// TODO: seed the random generator.
-// TODO: check that this is actually working...
 
 #if !defined(BOOST_UNORDERED_TEST_HELPERS_GENERATORS_HEADER)
 #define BOOST_UNORDERED_TEST_HELPERS_GENERATORS_HEADER
@@ -22,6 +20,13 @@
 
 namespace test
 {
+    struct seed_t {
+        seed_t(unsigned int x) {
+            using namespace std;
+            srand(x);
+        }
+    };
+    
     template <class T>
     struct generator;
 
diff --git a/test/unordered/assign_tests.cpp b/test/unordered/assign_tests.cpp
index 36e75936..5b5f0d85 100644
--- a/test/unordered/assign_tests.cpp
+++ b/test/unordered/assign_tests.cpp
@@ -13,6 +13,8 @@
 
 #include <iostream>
 
+test::seed_t seed(96785);
+
 template <class T>
 void assign_tests1(T* = 0)
 {
diff --git a/test/unordered/bucket_tests.cpp b/test/unordered/bucket_tests.cpp
index 84013f63..ff819f4f 100644
--- a/test/unordered/bucket_tests.cpp
+++ b/test/unordered/bucket_tests.cpp
@@ -11,6 +11,8 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/helpers.hpp"
 
+test::seed_t seed(54635);
+
 template <class X>
 void bucket_tests(X* = 0)
 {
diff --git a/test/unordered/constructor_tests.cpp b/test/unordered/constructor_tests.cpp
index 36f15bef..f2109410 100644
--- a/test/unordered/constructor_tests.cpp
+++ b/test/unordered/constructor_tests.cpp
@@ -15,6 +15,8 @@
 
 #include <iostream>
 
+test::seed_t seed(356730);
+
 template <class T>
 void constructor_tests1(T* = 0)
 {
diff --git a/test/unordered/copy_tests.cpp b/test/unordered/copy_tests.cpp
index 7cc46b72..5dde9782 100644
--- a/test/unordered/copy_tests.cpp
+++ b/test/unordered/copy_tests.cpp
@@ -12,6 +12,8 @@
 #include "../helpers/equivalent.hpp"
 #include "../helpers/invariants.hpp"
 
+test::seed_t seed(9063);
+
 template <class T>
 void copy_construct_tests1(T* = 0)
 {
diff --git a/test/unordered/erase_tests.cpp b/test/unordered/erase_tests.cpp
index 449ac392..bea51013 100644
--- a/test/unordered/erase_tests.cpp
+++ b/test/unordered/erase_tests.cpp
@@ -15,6 +15,8 @@
 
 #include <iostream>
 
+test::seed_t seed(85638);
+
 template <class Container>
 void erase_tests1(Container* = 0)
 {
diff --git a/test/unordered/find_tests.cpp b/test/unordered/find_tests.cpp
index b551f509..a402df91 100644
--- a/test/unordered/find_tests.cpp
+++ b/test/unordered/find_tests.cpp
@@ -11,6 +11,8 @@
 #include "../helpers/tracker.hpp"
 #include "../helpers/helpers.hpp"
 
+test::seed_t seed(78937);
+
 template <class X>
 void find_tests1(X*)
 {
diff --git a/test/unordered/insert_tests.cpp b/test/unordered/insert_tests.cpp
index 9bdc2218..06606d5e 100644
--- a/test/unordered/insert_tests.cpp
+++ b/test/unordered/insert_tests.cpp
@@ -16,6 +16,8 @@
 
 #include <iostream>
     
+test::seed_t seed(243432);
+
 template <class X>
 void unique_insert_tests1(X* = 0)
 {
diff --git a/test/unordered/load_factor_tests.cpp b/test/unordered/load_factor_tests.cpp
index 97687892..93a078ec 100644
--- a/test/unordered/load_factor_tests.cpp
+++ b/test/unordered/load_factor_tests.cpp
@@ -14,6 +14,8 @@
 #pragma warning(disable:4127) // conditional expression is constant
 #endif
 
+test::seed_t seed(783656);
+
 template <class X>
 void load_factor_tests(X* = 0)
 {
diff --git a/test/unordered/rehash_tests.cpp b/test/unordered/rehash_tests.cpp
index 398c316c..b364ffa2 100644
--- a/test/unordered/rehash_tests.cpp
+++ b/test/unordered/rehash_tests.cpp
@@ -9,6 +9,8 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/tracker.hpp"
 
+test::seed_t seed(2974);
+
 template <class X>
 bool postcondition(X const& x, typename X::size_type n)
 {
diff --git a/test/unordered/swap_tests.cpp b/test/unordered/swap_tests.cpp
index c58c87ac..d62c6e54 100644
--- a/test/unordered/swap_tests.cpp
+++ b/test/unordered/swap_tests.cpp
@@ -14,6 +14,8 @@
 #include "../helpers/tracker.hpp"
 #include "../helpers/invariants.hpp"
 
+test::seed_t seed(783472);
+
 template <class X>
 void swap_test_impl(X& x1, X& x2)
 {