From eb60ef73b0af4ebbf35a67226edf1d8e61d972ae Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 5 Nov 2023 15:53:03 +0100
Subject: a

---
 test/hash.cpp                   | 34 +++++++++++++++++++++++++++++++---
 test/json/frameset-header2.json |  9 +++++++++
 test/wall-atlas.cpp             | 12 ++++++++----
 3 files changed, 48 insertions(+), 7 deletions(-)
 create mode 100644 test/json/frameset-header2.json

(limited to 'test')

diff --git a/test/hash.cpp b/test/hash.cpp
index 3a8af600..4e8d9d81 100644
--- a/test/hash.cpp
+++ b/test/hash.cpp
@@ -1,11 +1,31 @@
 #include "app.hpp"
 #include "compat/int-hash.hpp"
+#include <Corrade/Containers/StringView.h>
 #include <bitset>
 #include <memory>
 
 namespace floormat {
 
-void test_app::test_hash()
+namespace {
+
+void test_simple()
+{
+    constexpr StringView list[] = { "foo"_s, "bar"_s, "bar\0"_s, "bar2"_s, "baz"_s, };
+    constexpr auto size = arraySize(list);
+
+    size_t hashes[size] = {};
+    for (auto i = 0uz; i < size; i++)
+        hashes[i] = hash_64(list[i].data(), list[i].size());
+
+    for (auto i = 0uz; i < size; i++)
+        for (auto j = i+1; j < size; j++)
+        {
+            if (hashes[i] == hashes[j])
+                fm_abort("hash collision between '%s' and '%s': 0x%p", list[i].data(), list[j].data(), (void*)hashes[i]);
+        }
+}
+
+void test_collisions()
 {
     constexpr int max = 8;
     constexpr size_t size = (2*max+1)*(2*max+1)*4 * 10;
@@ -25,7 +45,7 @@ void test_app::test_hash()
                 value |= (uint64_t)(uint16_t)(int16_t)i << 0;
                 value |= (uint64_t)(uint16_t)(int16_t)j << 16;
                 value |= (uint64_t)(uint16_t)(int16_t)k << 32;
-                auto x = (size_t)int_hash(value);
+                auto x = (size_t)hash_int(value);
                 //Debug {} << "bitset:" << i << j << k << "=" << x % size << "/" << x;
                 x %= size;
 #if 1
@@ -33,7 +53,7 @@ void test_app::test_hash()
                     fm_abort("test/bitset: %zu collisions at iter %zu id %zu (%d;%d:%d)", num_collisions, iter, x, i, j, k);
 #else
                 if ((void)max_collisions, bitset.test(x))
-                    fm_warn("test/bitset: %zu collisions at iter %zu id %zu (%d;%d:%d)", ++num_collisions, iter, x, i, j, k);
+                        fm_warn("test/bitset: %zu collisions at iter %zu id %zu (%d;%d:%d)", ++num_collisions, iter, x, i, j, k);
 #endif
                 bitset.set(x);
             }
@@ -41,4 +61,12 @@ void test_app::test_hash()
     }
 }
 
+} // namespace
+
+void test_app::test_hash()
+{
+    test_simple();
+    test_collisions();
+}
+
 } // namespace floormat
diff --git a/test/json/frameset-header2.json b/test/json/frameset-header2.json
new file mode 100644
index 00000000..8b32cabc
--- /dev/null
+++ b/test/json/frameset-header2.json
@@ -0,0 +1,9 @@
+{
+    "name": "foo",
+    "depth": 42,
+    "framesets": {
+        "w": {},
+        "n": {}
+    },
+    "frames": []
+}
diff --git a/test/wall-atlas.cpp b/test/wall-atlas.cpp
index b1cdd8d6..720c118f 100644
--- a/test/wall-atlas.cpp
+++ b/test/wall-atlas.cpp
@@ -4,18 +4,20 @@
 #include "serialize/json-helper.hpp"
 #include "loader/loader.hpp"
 #include <algorithm>
+#include <Corrade/Containers/PairStl.h>
 #include <Corrade/Utility/Path.h>
 
 namespace floormat {
 
 namespace ranges = std::ranges;
 namespace test = floormat::Serialize::wall_test;
+using nlohmann::json;
 
 namespace {
 
-void test_atlas_header(StringView path)
+Pair<wall_atlas_def, json> test_atlas_header(StringView path, StringView filename)
 {
-    auto j = json_helper::from_json_(Path::join(path, "frameset-header.json"_s));
+    auto j = json_helper::from_json_(Path::join(path, filename));
     wall_atlas_def def;
     test::read_atlas_header(j, def);
 
@@ -34,8 +36,10 @@ void test_atlas_header(StringView path)
         fm_assert(def.frameset_indexes[W] == 1);
     else if (def.frameset_indexes[N] == 1)
         fm_assert(def.frameset_indexes[W] == 0);
+    else
+        fm_assert(false);
 
-    std::fputs("", stdout);
+    return {std::move(def), std::move(j)};
 }
 
 } // namespace
@@ -46,7 +50,7 @@ void test_app::test_wall_atlas()
     const auto path = Path::join(loader.TEMP_PATH, "test/json"_s);
     fm_assert(Path::isDirectory(path));
 
-    test_atlas_header(path);
+    test_atlas_header(path, "frameset-header.json"_s);
 }
 
 
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