/*
 * Copyright (C) 2021 Collabora, Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "compiler.h"
#include "bi_test.h"

unsigned nr_pass = 0;
unsigned nr_fail = 0;

static void
bi_test_pack_literal(void)
{
   for (unsigned x = 0; x <= 7; ++x)
      BIT_ASSERT(bi_pack_literal(BI_CLAUSE_SUBWORD_LITERAL_0 + x) == x);
}

static void
bi_test_pack_upper(void)
{
   struct bi_packed_tuple tuples[] = {
      { 0, 0x3 << (75 - 64) },
      { 0, 0x1 << (75 - 64) },
      { 0, 0x7 << (75 - 64) },
      { 0, 0x0 << (75 - 64) },
      { 0, 0x2 << (75 - 64) },
      { 0, 0x6 << (75 - 64) },
      { 0, 0x5 << (75 - 64) },
      { 0, 0x4 << (75 - 64) },
   };

   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 0, tuples, 8) == 3);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 1, tuples, 8) == 1);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 2, tuples, 8) == 7);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 3, tuples, 8) == 0);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 4, tuples, 8) == 2);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 5, tuples, 8) == 6);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 6, tuples, 8) == 5);
   BIT_ASSERT(bi_pack_upper(BI_CLAUSE_SUBWORD_UPPER_0 + 7, tuples, 8) == 4);
}

static void
bi_test_pack_tuple_bits(void)
{
   struct bi_packed_tuple tuples[] = {
      { 0x1234567801234567, 0x3A },
      { 0x9876543299999999, 0x1B },
      { 0xABCDEF0101234567, 0x7C },
   };

   BIT_ASSERT(bi_pack_tuple_bits(BI_CLAUSE_SUBWORD_TUPLE_0 + 0, tuples, 8, 0, 30) == 0x01234567);
   BIT_ASSERT(bi_pack_tuple_bits(BI_CLAUSE_SUBWORD_TUPLE_0 + 1, tuples, 8, 10, 30) == 0xca66666);
   BIT_ASSERT(bi_pack_tuple_bits(BI_CLAUSE_SUBWORD_TUPLE_0 + 2, tuples, 8, 40, 15) == 0x4def);
}

#define L(x) (BI_CLAUSE_SUBWORD_LITERAL_0 + x)
#define U(x) (BI_CLAUSE_SUBWORD_UPPER_0 + x)
#define Z    BI_CLAUSE_SUBWORD_Z

static void
bi_test_pack_sync(void)
{
   struct bi_packed_tuple tuples[] = {
      { 0, 0x3 << (75 - 64) },
      { 0, 0x5 << (75 - 64) },
      { 0, 0x7 << (75 - 64) },
      { 0, 0x0 << (75 - 64) },
      { 0, 0x2 << (75 - 64) },
      { 0, 0x6 << (75 - 64) },
      { 0, 0x5 << (75 - 64) },
      { 0, 0x4 << (75 - 64) },
   };

   BIT_ASSERT(bi_pack_sync(L(3), L(1), L(7), tuples, 8, false) == 0xCF);
   BIT_ASSERT(bi_pack_sync(L(3), L(1), U(7), tuples, 8, false) == 0xCC);
   BIT_ASSERT(bi_pack_sync(L(3), U(1), U(7), tuples, 8, false) == 0xEC);
   BIT_ASSERT(bi_pack_sync(Z,    U(1), U(7), tuples, 8, false) == 0x2C);
   BIT_ASSERT(bi_pack_sync(Z,    U(1), U(7), tuples, 8, true)  == 0x6C);
}

int
main(int argc, const char **argv)
{
   bi_test_pack_literal();
   bi_test_pack_upper();
   bi_test_pack_tuple_bits();
   bi_test_pack_sync();

   TEST_END(nr_pass, nr_fail);
}