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Add hash set implementation
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Abdelrahman Said
2026-09-23 22:34:23 +01:00
parent 20e890964f
commit 68640dc5e2
12 changed files with 590 additions and 44 deletions
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CHANGELOG.md
+2
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@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- `wpX64Mur3GetHash128` implementation for the x64 128-bit variant of the MurmurHash3 algorithm
- `wpSip24Hasher`, `wpSip48Hasher`, `wpSip24HasherWithKey` and `wpSip48HasherWithKey` constructors for the hasher interface
- `wpSipGetHash128` implementation for the 128 variant of siphash
- `wpHashSet`, `wpHashSetCustomHasher`, `wpHashSetAlloc` and `wpHashSetCustomHasherAlloc` constructors
- `wpHashSetFind`, `wpHashSetInsertCapped`, `wpHashSetInsertAlloc`, `wpHashSetRemove`, `wpHashSetItems`, `wpHashSetCapacity`, `wpHashSetCount`, `wpHashSetItemSize`, `wpHashSetClear` and `wpHashSetDealloc` utilities
- `wpU8Const`, `wpU16Const`, `wpU32Const`, `wpU64Const`, `wpI8Const`, `wpI16Const`, `wpI32Const`, and `wpI64Const` aliases
- `wpPrngXorshiftInitWithSeed` to allow for user control with PRNG
- `wpPrngXorshift256InRange`, `wpPrngXorshift256ssInRange`, `wpPrngXorshift256pInRange`, `wpPrngXorshift256Choice`, `wpPrngXorshift256ssChoice` and `wpPrngXorshift256pChoice` utilities
src/base/hash/set/set.c
+51
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@@ -0,0 +1,51 @@
// vim:fileencoding=utf-8:foldmethod=marker
#include "set.h"
#include "../table/table.h"
WpHashSet hashSetAlloc(const WpAllocator *allocator, WpU8StreamEncoder encoder, WpKeyEqualTest key_eq,
u64 capacity, u64 key_size) {
return hashSetAllocWithCustomHasher(allocator, WP_HASH_TABLE_DEFAULT_HASHER, encoder, key_eq,
capacity, key_size);
}
WpHashSet hashSetAllocWithCustomHasher(const WpAllocator *allocator, WpHasher hasher,
WpU8StreamEncoder encoder, WpKeyEqualTest key_eq, u64 capacity,
u64 key_size) {
WpHashSet set = {0};
hashTableAlloc(allocator, &set, hasher, encoder, key_eq, capacity, key_size, 0, false);
return set;
}
WpHashLookupResult hashSetFind(WpHashSet *set, void *item, u64 item_size) {
u64 hash = hashTableCalcHash(set, item, item_size);
WpHashBucketRef ref = hashTableBucketRef(set, hash);
return hashTableLookup(set, item, ref, item_size);
}
void hashSetInsertCapped(WpHashSet *set, void *item, u64 item_size) {
WpHashLookupResult result = hashSetFind(set, item, item_size);
if (!result.found && set->load_factor < WP_HASH_MAX_LOAD_FACTOR) {
hashTableInsert(set, item, NULL, result.ref, item_size, 0);
}
}
void hashSetInsertAlloc(const WpAllocator *allocator, WpHashSet *set, void *item, u64 item_size) {
WpHashLookupResult result = hashSetFind(set, item, item_size);
if (!result.found) {
if (set->load_factor >= WP_HASH_MAX_LOAD_FACTOR) {
hashTableGrow(allocator, set, item_size, 0);
// Rerun item lookup after growing
result = hashSetFind(set, item, item_size);
}
hashTableInsert(set, item, NULL, result.ref, item_size, 0);
}
}
void hashSetRemove(WpHashSet *set, void *item, u64 item_size) {
WpHashLookupResult result = hashSetFind(set, item, item_size);
if (result.found) {
hashTableRemove(set, result.ref, item_size, 0);
}
}
src/base/hash/set/set.h
+105
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@@ -0,0 +1,105 @@
// vim:fileencoding=utf-8:foldmethod=marker
#ifndef SET_H
#define SET_H
#include "../table/table.h"
#include "../../../common/misc/misc_utils.h"
#include "../../../common/platform/platform.h"
#ifdef WP_PLATFORM_CPP
BEGIN_C_LINKAGE
#endif // !WP_PLATFORM_CPP
typedef WpHashTable WpHashSet;
#ifdef WP_PLATFORM_CPP
#define wpHashSet(TYPE, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY) \
(WpHashSet{ \
WP_HASH_TABLE_DEFAULT_HASHER, \
U8_STREAM_ENCODER, \
ITEM_EQ_TEST, \
wpArrayWithCapacity(TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
NULL, \
wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_FILLED), \
WP_HASH_TABLE_MAGIC, \
wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
0.0f, \
false, \
})
#define wpHashSetCustomHasher(TYPE, HASHER, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY) \
(WpHashSet{ \
HASHER, \
U8_STREAM_ENCODER, \
ITEM_EQ_TEST, \
wpArrayWithCapacity(TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
NULL, \
wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_FILLED), \
WP_HASH_TABLE_MAGIC, \
wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
0.0f, \
false, \
})
#else
#define wpHashSet(TYPE, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY) \
((WpHashSet){ \
.hasher = WP_HASH_TABLE_DEFAULT_HASHER, \
.encoder = U8_STREAM_ENCODER, \
.key_eq = ITEM_EQ_TEST, \
.keys = wpArrayWithCapacity(TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.buckets = wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_FILLED), \
.magic = WP_HASH_TABLE_MAGIC, \
.bucket_mask = wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
})
#define wpHashSetCustomHasher(TYPE, HASHER, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY) \
((WpHashSet){ \
.hasher = HASHER, \
.encoder = U8_STREAM_ENCODER, \
.key_eq = ITEM_EQ_TEST, \
.keys = wpArrayWithCapacity(TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.buckets = wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_FILLED), \
.magic = WP_HASH_TABLE_MAGIC, \
.bucket_mask = wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
})
#endif
#define wpHashSetAlloc(TYPE, ALLOCATOR_PTR, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY) \
hashSetAlloc(ALLOCATOR_PTR, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY, sizeof(TYPE))
#define wpHashSetCustomHasherAlloc(TYPE, ALLOCATOR_PTR, HASHER, U8_STREAM_ENCODER, ITEM_EQ_TEST, \
CAPACITY) \
hashSetAllocWithCustomHasher(ALLOCATOR_PTR, HASHER, U8_STREAM_ENCODER, ITEM_EQ_TEST, CAPACITY, \
sizeof(TYPE))
#define wpHashSetFind(TYPE, SET_PTR, ITEM_PTR) hashSetFind(SET_PTR, ITEM_PTR, sizeof(TYPE))
#define wpHashSetInsertCapped(TYPE, SET_PTR, ITEM_PTR) \
hashSetInsertCapped(SET_PTR, ITEM_PTR, sizeof(TYPE))
#define wpHashSetInsertAlloc(TYPE, ALLOCATOR_PTR, SET_PTR, ITEM_PTR) \
hashSetInsertAlloc(ALLOCATOR_PTR, SET_PTR, ITEM_PTR, sizeof(TYPE))
#define wpHashSetRemove(TYPE, SET_PTR, ITEM_PTR) hashSetRemove(SET_PTR, ITEM_PTR, sizeof(TYPE))
#define wpHashSetItems(TYPE, SET_PTR) ((TYPE *)hashTableKeys(SET_PTR, sizeof(TYPE)))
#define wpHashSetCapacity(SET_PTR) hashTableCapacity(SET_PTR)
#define wpHashSetCount(SET_PTR) hashTableCount(SET_PTR)
#define wpHashSetItemSize(SET_PTR) hashTableKeySize(SET_PTR)
#define wpHashSetClear(TYPE, SET_PTR) hashTableClear(SET_PTR, sizeof(TYPE), 0)
#define wpHashSetDealloc(TYPE, ALLOCATOR_PTR, SET_PTR) \
hashTableDealloc(ALLOCATOR_PTR, SET_PTR, sizeof(TYPE), 0)
WpHashSet hashSetAlloc(const WpAllocator *allocator, WpU8StreamEncoder encoder,
WpKeyEqualTest key_eq, u64 capacity, u64 key_size);
WpHashSet hashSetAllocWithCustomHasher(const WpAllocator *allocator, WpHasher hasher,
WpU8StreamEncoder encoder, WpKeyEqualTest key_eq,
u64 capacity, u64 key_size);
WpHashLookupResult hashSetFind(WpHashSet *set, void *item, u64 item_size);
void hashSetInsertCapped(WpHashSet *set, void *item, u64 item_size);
void hashSetInsertAlloc(const WpAllocator *allocator, WpHashSet *set, void *item,
u64 item_size);
void hashSetRemove(WpHashSet *set, void *item, u64 item_size);
#ifdef WP_PLATFORM_CPP
END_C_LINKAGE
#endif // !WP_PLATFORM_CPP
#endif // !SET_H
src/base/hash/table/table.c
+77 -33
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@@ -8,26 +8,62 @@
#include "../../../common/assert/assert.h"
#include "../../../common/misc/misc_utils.h"
wp_persist inline void hashTableValidate(const WpHashTable *table, u64 key_size, u64 value_size);
wp_persist inline void *hashTableGetKeyFromBucket(WpHashTable *table, WpHashBucket bucket, u64 key_size);
wp_persist inline void *hashTableGetValueFromBucket(WpHashTable *table, WpHashBucket bucket, u64 value_size);
wp_persist inline u64 hashTableGetDist(u64 dist_and_tag);
wp_persist inline u64 hashTableNextBucket(WpHashTable *table, u64 bucket_index);
wp_persist inline u64 hashTableDistInc(u64 dist_and_tag);
wp_persist inline u64 hashTableDistDec(u64 dist_and_tag);
wp_persist inline void hashTableValidate(const WpHashTable *table, u64 key_size, u64 value_size);
void *hashTableKeys(WpHashTable *table) {
void hashTableAlloc(const WpAllocator *allocator, WpHashTable *table, WpHasher hasher,
WpU8StreamEncoder encoder, WpKeyEqualTest key_eq, u64 capacity, u64 key_size,
u64 value_size, b8 has_values) {
wpDebugAssert(allocator != NULL && table != NULL && encoder != NULL && key_eq != NULL,
"`allocator`, `table`, `encoder` and `key_eq` should not be NULL");
u64 table_capacity = wpMiscUtilsU64RoundUpPow2(capacity);
table->hasher = hasher;
table->encoder = encoder;
table->key_eq = key_eq;
table->keys = arrayAllocCapacity(allocator, table_capacity, WP_ARRAY_INIT_NONE, key_size);;
table->buckets = wpArrayAllocCapacity(WpHashBucket, allocator, table_capacity, WP_ARRAY_INIT_FILLED);
table->magic = WP_HASH_TABLE_MAGIC;
table->bucket_mask = table_capacity - 1;
table->load_factor = WP_HASH_MAX_LOAD_FACTOR;
table->has_values = has_values;
wpRuntimeAssert(table->keys != NULL && table->buckets != NULL, "Failed to allocate keys, buckets or both");
if (has_values) {
table->values = arrayAllocCapacity(allocator, table_capacity, WP_ARRAY_INIT_NONE, value_size);;
wpRuntimeAssert(table->values != NULL, "Failed to allocate values");
}
}
u64 hashTableCalcHash(WpHashTable *table, void *key, u64 key_size) {
hashTableValidate(table, key_size, 0);
wpDebugAssert(key != NULL, "`key` should not be NULL");
WpU8Stream stream = table->encoder(key);
return wpHasherGetHash64(&table->hasher, &stream);
}
WpHashBucketRef hashTableBucketRef(WpHashTable *table, u64 hash) {
hashTableValidate(table, 0, 0);
return (WpHashBucketRef){
.dist_and_tag = WP_HASH_DIST_INC | (hash & WP_HASH_TAG_MASK),
.bucket_index = hash & table->bucket_mask,
};
}
void *hashTableKeys(WpHashTable *table, u64 key_size) {
hashTableValidate(table, key_size, 0);
return table->keys;
}
void *hashTableValues(WpHashTable *table) {
hashTableValidate(table, 0, 0);
return table->values;
}
void *hashTableGetKeyFromBucket(WpHashTable *table, WpHashBucket bucket, u64 key_size) {
hashTableValidate(table, key_size, 0);
return arrayGet(table->keys, bucket.item_index, key_size);
}
void *hashTableGetValueFromBucket(WpHashTable *table, WpHashBucket bucket, u64 value_size) {
void *hashTableValues(WpHashTable *table, u64 value_size) {
hashTableValidate(table, 0, value_size);
return table->has_values ? arrayGet(table->values, bucket.item_index, value_size) : NULL;
return table->values;
}
void *hashTableGetKeyFromBucketRef(WpHashTable *table, WpHashBucketRef ref, u64 key_size) {
@@ -58,25 +94,21 @@ u64 hashTableValueSize(WpHashTable *table) {
return table->has_values ? wpArrayItemSize(table->values) : 0;
}
u64 hashTableCalcHash(WpHashTable *table, void *key, u64 key_size) {
hashTableValidate(table, key_size, 0);
wpDebugAssert(key != NULL, "`key` should not be NULL");
WpU8Stream stream = table->encoder(key);
return wpHasherGetHash64(&table->hasher, &stream);
}
void hashTableGrow(WpHashTable *table, const WpAllocator *allocator, u64 key_size, u64 value_size) {
void hashTableGrow(const WpAllocator *allocator, WpHashTable *table, u64 key_size, u64 value_size) {
hashTableValidate(table, key_size, value_size);
wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
u64 capacity = hashTableCapacity(table) * 2;
u64 capacity = wpMiscUtilsU64RoundUpPow2(hashTableCapacity(table) * 2);
u64 mask = capacity - wpU64Const(1);
WpArray keys = arrayAllocCapacity(allocator, capacity, WP_ARRAY_INIT_NONE, key_size);
WpArray values = NULL;
WpHashBucketArray buckets = wpArrayAllocCapacity(WpHashBucket, allocator, capacity, WP_ARRAY_INIT_FILLED);
wpRuntimeAssert(keys != NULL && buckets != NULL, "Failed to allocate keys, buckets or both");
if (table->has_values) {
values = arrayAllocCapacity(allocator, capacity, WP_ARRAY_INIT_NONE, value_size);
wpRuntimeAssert(values != NULL, "Failed to allocate values");
}
WpArray old_keys = table->keys;
@@ -212,27 +244,39 @@ void hashTableClear(WpHashTable *table, u64 key_size, u64 value_size) {
wpArrayZero(WpHashBucket, table->buckets);
}
WpHashBucketRef hashTableBucketRef(WpHashTable *table, u64 hash) {
hashTableValidate(table, 0, 0);
return (WpHashBucketRef){
.dist_and_tag = WP_HASH_DIST_INC | (hash & WP_HASH_TAG_MASK),
.bucket_index = hash & table->bucket_mask,
};
void hashTableDealloc(const WpAllocator *allocator, WpHashTable *table, u64 key_size, u64 value_size) {
wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
hashTableValidate(table, key_size, value_size);
arrayDealloc(allocator, table->keys, key_size);
wpArrayDealloc(WpHashBucket, allocator, table->buckets);
if (table->has_values) {
arrayDealloc(allocator, table->values, value_size);
}
}
u64 hashTableGetDist(u64 dist_and_tag) {
wp_persist inline void *hashTableGetKeyFromBucket(WpHashTable *table, WpHashBucket bucket, u64 key_size) {
hashTableValidate(table, key_size, 0);
return arrayGet(table->keys, bucket.item_index, key_size);
}
wp_persist inline void *hashTableGetValueFromBucket(WpHashTable *table, WpHashBucket bucket, u64 value_size) {
hashTableValidate(table, 0, value_size);
return table->has_values ? arrayGet(table->values, bucket.item_index, value_size) : NULL;
}
wp_persist inline u64 hashTableGetDist(u64 dist_and_tag) {
return dist_and_tag & (~WP_HASH_TAG_MASK);
}
u64 hashTableNextBucket(WpHashTable *table, u64 bucket_index) {
wp_persist inline u64 hashTableNextBucket(WpHashTable *table, u64 bucket_index) {
return (++bucket_index) & table->bucket_mask;
}
u64 hashTableDistInc(u64 dist_and_tag) {
wp_persist inline u64 hashTableDistInc(u64 dist_and_tag) {
return dist_and_tag + WP_HASH_DIST_INC;
}
u64 hashTableDistDec(u64 dist_and_tag) {
wp_persist inline u64 hashTableDistDec(u64 dist_and_tag) {
return dist_and_tag - WP_HASH_DIST_INC;
}
src/base/hash/table/table.h
+11 -11
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@@ -69,18 +69,21 @@ typedef struct WpHashLookupResult {
b8 found;
} WpHashLookupResult;
void *hashTableKeys(WpHashTable *table);
void *hashTableValues(WpHashTable *table);
void *hashTableGetKeyFromBucket(WpHashTable *table, WpHashBucket bucket, u64 key_size);
void *hashTableGetValueFromBucket(WpHashTable *table, WpHashBucket bucket, u64 value_size);
void hashTableAlloc(const WpAllocator *allocator, WpHashTable *table,
WpHasher hasher, WpU8StreamEncoder encoder,
WpKeyEqualTest key_eq, u64 capacity, u64 key_size,
u64 value_size, b8 has_values);
u64 hashTableCalcHash(WpHashTable *table, void *key, u64 key_size);
WpHashBucketRef hashTableBucketRef(WpHashTable *table, u64 hash);
void *hashTableKeys(WpHashTable *table, u64 key_size);
void *hashTableValues(WpHashTable *table, u64 value_size);
void *hashTableGetKeyFromBucketRef(WpHashTable *table, WpHashBucketRef ref, u64 key_size);
void *hashTableGetValueFromBucketRef(WpHashTable *table, WpHashBucketRef ref, u64 value_size);
u64 hashTableCapacity(WpHashTable *table);
u64 hashTableCount(WpHashTable *table);
u64 hashTableKeySize(WpHashTable *table);
u64 hashTableValueSize(WpHashTable *table);
u64 hashTableCalcHash(WpHashTable *table, void *key, u64 key_size);
void hashTableGrow(WpHashTable *table, const WpAllocator *allocator, u64 key_size,
void hashTableGrow(const WpAllocator *allocator, WpHashTable *table, u64 key_size,
u64 value_size);
WpHashLookupResult hashTableLookup(WpHashTable *table, void *key, WpHashBucketRef ref, u64 key_size);
void hashTableUpdate(WpHashTable *table, void *value, WpHashBucketRef ref, u64 value_size);
@@ -88,11 +91,8 @@ void hashTableInsert(WpHashTable *table, void *key, void *value, W
u64 key_size, u64 value_size);
void hashTableRemove(WpHashTable *table, WpHashBucketRef ref, u64 key_size, u64 value_size);
void hashTableClear(WpHashTable *table, u64 key_size, u64 value_size);
WpHashBucketRef hashTableBucketRef(WpHashTable *table, u64 hash);
u64 hashTableGetDist(u64 dist_and_tag);
u64 hashTableNextBucket(WpHashTable *table, u64 bucket_index);
u64 hashTableDistInc(u64 dist_and_tag);
u64 hashTableDistDec(u64 dist_and_tag);
void hashTableDealloc(const WpAllocator *allocator, WpHashTable *table, u64 key_size,
u64 value_size);
#ifdef WP_PLATFORM_CPP
END_C_LINKAGE
src/base/wapp_base.c
+1
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@@ -10,6 +10,7 @@
#include "hash/hasher/murmur3.c"
#include "hash/hasher/siphash.c"
#include "hash/table/table.c"
#include "hash/set/set.c"
#include "queue/queue.c"
#include "stream/stream.c"
#include "mem/allocator/mem_allocator.c"
src/base/wapp_base.h
+1
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@@ -9,6 +9,7 @@
#include "hash/hasher/murmur3.h"
#include "hash/hasher/siphash.h"
#include "hash/table/table.h"
#include "hash/set/set.h"
#include "queue/queue.h"
#include "stream/stream.h"
#include "mem/allocator/mem_allocator.h"
tests/hashset/test_hashset.c
+160
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@@ -0,0 +1,160 @@
// vim:fileencoding=utf-8:foldmethod=marker
#include "wapp.h"
wp_persist inline WpU8Stream encoder(void *data);
wp_persist inline b8 key_eq(void *a, void *b);
WpTestFuncResult test_hashset(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
result = result && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 0;
set = wpHashSet(WpStr8, encoder, key_eq, 3);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 0;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_alloc(void) {
WpAllocator arena = wpMemArenaAllocatorInit(KiB(4));
b8 result = true;
WpHashSet set = wpHashSetAlloc(WpStr8, &arena, encoder, key_eq, 8);
result = result && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 0;
set = wpHashSetAlloc(WpStr8, &arena, encoder, key_eq, 3);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 0;
wpMemArenaAllocatorDestroy(&arena);
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_find(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
WpStr8Array keys = wpArray(
WpStr8,
wpStr8Lit("key1"),
wpStr8Lit("key2"),
wpStr8Lit("key3"),
wpStr8Lit("key4")
);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
WpHashLookupResult res = wpHashSetFind(WpStr8, &set, &keys[3]);
result = result && res.found && res.ref.dist_and_tag > 0;
WpStr8 key = wpStr8Lit("key0");
res = wpHashSetFind(WpStr8, &set, &key);
result = result && !res.found;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_insert_capped(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8Array keys = wpArray(
WpStr8,
wpStr8Lit("key1"),
wpStr8Lit("key2"),
wpStr8Lit("key3"),
wpStr8Lit("key4")
);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 3;
for (u64 i = 0; i < 3; ++i) {
result = result && wpStr8Equal(wpArrayGet(WpStr8, set.keys, i), &keys[i]);
}
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_insert_alloc(void) {
WpAllocator arena = wpMemArenaAllocatorInit(KiB(4));
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8Array keys = wpArray(
WpStr8,
wpStr8Lit("key1"),
wpStr8Lit("key2"),
wpStr8Lit("key3"),
wpStr8Lit("key4")
);
WpStr8Array set_keys = set.keys;
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertAlloc(WpStr8, &arena, &set, &keys[i]);
}
result = result && set.keys != set_keys && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 4;
for (u64 i = 0; i < 3; ++i) {
result = result && wpStr8Equal(&wpHashSetItems(WpStr8, &set)[i], &keys[i]);
}
wpMemArenaAllocatorDestroy(&arena);
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_remove(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8Array keys = wpArray(
WpStr8,
wpStr8Lit("key1"),
wpStr8Lit("key2"),
wpStr8Lit("key3"),
wpStr8Lit("key4")
);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
wpHashSetRemove(WpStr8, &set, &keys[0]);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 2;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_clear(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
WpStr8Array keys = wpArray(
WpStr8,
wpStr8Lit("key1"),
wpStr8Lit("key2"),
wpStr8Lit("key3"),
wpStr8Lit("key4")
);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
wpHashSetClear(WpStr8, &set);
result = result && wpHashSetCount(&set) == 0;
return wpTesterResult(result);
}
wp_persist inline WpU8Stream encoder(void *data) {
WpStr8 *str = (WpStr8 *)data;
return wpStream(u8, str->buf, str->size);
}
wp_persist inline b8 key_eq(void *a, void *b) {
WpStr8 *a_str = (WpStr8 *)a;
WpStr8 *b_str = (WpStr8 *)b;
return wpStr8Equal(a_str, b_str);
}
tests/hashset/test_hashset.cc
+150
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@@ -0,0 +1,150 @@
// vim:fileencoding=utf-8:foldmethod=marker
#include "wapp.h"
wp_persist inline WpU8Stream encoder(void *data);
wp_persist inline b8 key_eq(void *a, void *b);
WpTestFuncResult test_hashset(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
result = result && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 0;
set = wpHashSet(WpStr8, encoder, key_eq, 3);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 0;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_alloc(void) {
WpAllocator arena = wpMemArenaAllocatorInit(KiB(4));
b8 result = true;
WpHashSet set = wpHashSetAlloc(WpStr8, &arena, encoder, key_eq, 8);
result = result && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 0;
set = wpHashSetAlloc(WpStr8, &arena, encoder, key_eq, 3);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 0;
wpMemArenaAllocatorDestroy(&arena);
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_find(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
WpStr8 key1 = wpStr8Lit("key1");
WpStr8 key2 = wpStr8Lit("key2");
WpStr8 key3 = wpStr8Lit("key3");
WpStr8 key4 = wpStr8Lit("key4");
WpStr8Array keys = wpArray(WpStr8, key1, key2, key3, key4);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
WpHashLookupResult res = wpHashSetFind(WpStr8, &set, &keys[3]);
result = result && res.found && res.ref.dist_and_tag > 0;
WpStr8 key = wpStr8Lit("key0");
res = wpHashSetFind(WpStr8, &set, &key);
result = result && !res.found;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_insert_capped(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8 key1 = wpStr8Lit("key1");
WpStr8 key2 = wpStr8Lit("key2");
WpStr8 key3 = wpStr8Lit("key3");
WpStr8 key4 = wpStr8Lit("key4");
WpStr8Array keys = wpArray(WpStr8, key1, key2, key3, key4);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 3;
for (u64 i = 0; i < 3; ++i) {
result = result && wpStr8Equal(wpArrayGet(WpStr8, set.keys, i), &keys[i]);
}
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_insert_alloc(void) {
WpAllocator arena = wpMemArenaAllocatorInit(KiB(4));
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8 key1 = wpStr8Lit("key1");
WpStr8 key2 = wpStr8Lit("key2");
WpStr8 key3 = wpStr8Lit("key3");
WpStr8 key4 = wpStr8Lit("key4");
WpStr8Array keys = wpArray(WpStr8, key1, key2, key3, key4);
WpStr8Array set_keys = (WpStr8Array)set.keys;
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertAlloc(WpStr8, &arena, &set, &keys[i]);
}
result = result && set.keys != set_keys && wpHashSetCapacity(&set) == 8 && wpHashSetCount(&set) == 4;
for (u64 i = 0; i < 3; ++i) {
result = result && wpStr8Equal(&wpHashSetItems(WpStr8, &set)[i], &keys[i]);
}
wpMemArenaAllocatorDestroy(&arena);
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_remove(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 4);
WpStr8 key1 = wpStr8Lit("key1");
WpStr8 key2 = wpStr8Lit("key2");
WpStr8 key3 = wpStr8Lit("key3");
WpStr8 key4 = wpStr8Lit("key4");
WpStr8Array keys = wpArray(WpStr8, key1, key2, key3, key4);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
wpHashSetRemove(WpStr8, &set, &keys[0]);
result = result && wpHashSetCapacity(&set) == 4 && wpHashSetCount(&set) == 2;
return wpTesterResult(result);
}
WpTestFuncResult test_hashset_clear(void) {
b8 result = true;
WpHashSet set = wpHashSet(WpStr8, encoder, key_eq, 8);
WpStr8 key1 = wpStr8Lit("key1");
WpStr8 key2 = wpStr8Lit("key2");
WpStr8 key3 = wpStr8Lit("key3");
WpStr8 key4 = wpStr8Lit("key4");
WpStr8Array keys = wpArray(WpStr8, key1, key2, key3, key4);
for (u64 i = 0; i < wpArrayCount(keys); ++i) {
wpHashSetInsertCapped(WpStr8, &set, &keys[i]);
}
wpHashSetClear(WpStr8, &set);
result = result && wpHashSetCount(&set) == 0;
return wpTesterResult(result);
}
wp_persist inline WpU8Stream encoder(void *data) {
WpStr8 *str = (WpStr8 *)data;
return wpStream(u8, str->buf, str->size);
}
wp_persist inline b8 key_eq(void *a, void *b) {
WpStr8 *a_str = (WpStr8 *)a;
WpStr8 *b_str = (WpStr8 *)b;
return wpStr8Equal(a_str, b_str);
}
tests/hashset/test_hashset.h
+16
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@@ -0,0 +1,16 @@
// vim:fileencoding=utf-8:foldmethod=marker
#ifndef TEST_HASHSET_H
#define TEST_HASHSET_H
#include "wapp.h"
WpTestFuncResult test_hashset(void);
WpTestFuncResult test_hashset_alloc(void);
WpTestFuncResult test_hashset_find(void);
WpTestFuncResult test_hashset_insert_capped(void);
WpTestFuncResult test_hashset_insert_alloc(void);
WpTestFuncResult test_hashset_remove(void);
WpTestFuncResult test_hashset_clear(void);
#endif // !TEST_HASHSET_H
tests/wapptest.c
+8
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@@ -9,6 +9,7 @@
#include "test_cpath.h"
#include "test_file.h"
#include "test_hasher.h"
#include "test_hashset.h"
#include "test_shell_commander.h"
#include "wapp.h"
#include <stdlib.h>
@@ -105,6 +106,13 @@ int main(void) {
test_wapp_file_remove,
test_murmur3,
test_siphash_128,
test_hashset,
test_hashset_alloc,
test_hashset_find,
test_hashset_insert_capped,
test_hashset_insert_alloc,
test_hashset_remove,
test_hashset_clear,
test_commander_cmd_success,
test_commander_cmd_failure,
test_commander_cmd_out_buf_success,
tests/wapptest.cc
+8
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@@ -9,6 +9,7 @@
#include "test_cpath.h"
#include "test_file.h"
#include "test_hasher.h"
#include "test_hashset.h"
#include "test_shell_commander.h"
#include "wapp.h"
#include <stdlib.h>
@@ -105,6 +106,13 @@ int main(void) {
test_wapp_file_remove,
test_murmur3,
test_siphash_128,
test_hashset,
test_hashset_alloc,
test_hashset_find,
test_hashset_insert_capped,
test_hashset_insert_alloc,
test_hashset_remove,
test_hashset_clear,
test_commander_cmd_success,
test_commander_cmd_failure,
test_commander_cmd_out_buf_success,