From 5fdd39289affe341151839a48e227d51b08c4a25 Mon Sep 17 00:00:00 2001
From: JP Cimalando <jpcima@users.noreply.github.com>
Date: Tue, 15 May 2018 18:09:04 +0200
Subject: specialized hash table for bank number mappings

---
 test/bankmap/bank_map.cpp | 100 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 test/bankmap/bank_map.cpp

(limited to 'test/bankmap/bank_map.cpp')

diff --git a/test/bankmap/bank_map.cpp b/test/bankmap/bank_map.cpp
new file mode 100644
index 0000000..613fc59
--- /dev/null
+++ b/test/bankmap/bank_map.cpp
@@ -0,0 +1,100 @@
+#include <catch.hpp>
+#include <random>
+#include "adlmidi_bankmap.h"
+
+typedef BasicBankMap<int> BankMap;
+typedef BankMap::value_type ValuePair;
+typedef BankMap::iterator Iterator;
+typedef std::pair<Iterator, bool> InsertResult;
+
+static std::mt19937 rng;
+
+static size_t iterated_size(const BankMap &map)
+{
+    size_t size = 0;
+    auto it = map.begin(), end = map.end();
+    while(it != end) {
+        ++it;
+        ++size;
+    }
+    return size;
+}
+
+static bool consistent_size(const BankMap &map)
+{
+    return map.size() == iterated_size(map);
+}
+
+TEST_CASE("[BankMap] Construction")
+{
+    BankMap map;
+
+    REQUIRE(map.capacity() == 0);
+    REQUIRE(map.size() == 0);
+    REQUIRE(iterated_size(map) == 0);
+}
+
+TEST_CASE("[BankMap] Insert, erase and find")
+{
+    BankMap map;
+
+    for(unsigned i = 0; i < 10; ++i) {
+        const uint16_t key = rng();
+        const int value = rng();
+
+        uint16_t another_key = rng();
+        while (another_key == key)
+            another_key = rng();
+
+        InsertResult ir = map.insert(ValuePair{key, value});
+        REQUIRE(ir.second);
+        REQUIRE(map.size() == 1);
+        REQUIRE(iterated_size(map) == 1);
+
+        Iterator it = map.find(key);
+        REQUIRE(it != map.end());
+        REQUIRE(it->first == key);
+        REQUIRE(it->second == value);
+        REQUIRE(map.find(another_key) == map.end());
+
+        map.erase(it);
+        REQUIRE(map.find(key) == map.end());
+        REQUIRE(map.size() == 0);
+        REQUIRE(iterated_size(map) == 0);
+    }
+}
+
+TEST_CASE("[BankMap] Insert without expanding")
+{
+    BankMap map;
+
+    InsertResult ir;
+    ir = map.insert(ValuePair{0, 0}, BankMap::do_not_expand_t());
+    REQUIRE(ir.first == map.end());
+    REQUIRE(!ir.second);
+
+    map.reserve(1);
+    REQUIRE(map.capacity() > 1);
+
+    while(map.size() < map.capacity()) {
+        const uint16_t key = rng();
+        const int value = rng();
+        if(map.find(key) != map.end())
+            continue;
+        ir = map.insert(ValuePair{key, value}, BankMap::do_not_expand_t());
+        REQUIRE(ir.first != map.end());
+        REQUIRE(ir.first->first == key);
+        REQUIRE(ir.first->second == value);
+        REQUIRE(ir.second);
+        REQUIRE(consistent_size(map));
+    }
+
+    ir = map.insert(ValuePair{0, 0}, BankMap::do_not_expand_t());
+    REQUIRE(ir.first == map.end());
+    REQUIRE(!ir.second);
+    REQUIRE(consistent_size(map));
+
+    map.clear();
+    REQUIRE(map.size() == 0);
+    REQUIRE(consistent_size(map));
+}
-- 
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