88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/intrin/palignr.h"
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#include "libc/testlib/testlib.h"
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const int A[4] = {1, 2, 3, 4};
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const int B[4] = {5, 6, 7, 8};
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TEST(palignr, testLeftpad) {
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int C[4] = {0};
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palignr(C, B, A, 12);
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EXPECT_EQ(4, C[0]);
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EXPECT_EQ(5, C[1]);
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EXPECT_EQ(6, C[2]);
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EXPECT_EQ(7, C[3]);
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}
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TEST(palignr, test0) {
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int C[4];
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palignr(C, B, A, 0);
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EXPECT_EQ(1, C[0]);
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EXPECT_EQ(2, C[1]);
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EXPECT_EQ(3, C[2]);
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EXPECT_EQ(4, C[3]);
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}
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TEST(palignr, test4) {
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int C[4];
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palignr(C, B, A, 4);
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EXPECT_EQ(2, C[0]);
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EXPECT_EQ(3, C[1]);
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EXPECT_EQ(4, C[2]);
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EXPECT_EQ(5, C[3]);
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}
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TEST(palignr, test12) {
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int C[4];
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palignr(C, B, A, 12);
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EXPECT_EQ(4, C[0]);
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EXPECT_EQ(5, C[1]);
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EXPECT_EQ(6, C[2]);
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EXPECT_EQ(7, C[3]);
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}
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TEST(palignr, test16) {
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int C[4];
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palignr(C, B, A, 16);
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EXPECT_EQ(5, C[0]);
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EXPECT_EQ(6, C[1]);
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EXPECT_EQ(7, C[2]);
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EXPECT_EQ(8, C[3]);
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}
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TEST(palignr, test20) {
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int C[4] = {-1, -1, -1, -1};
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palignr(C, B, A, 20);
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EXPECT_EQ(6, C[0]);
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EXPECT_EQ(7, C[1]);
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EXPECT_EQ(8, C[2]);
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EXPECT_EQ(0, C[3]);
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}
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TEST(palignr, test32) {
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int C[4] = {-1, -1, -1, -1};
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palignr(C, B, A, 32);
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EXPECT_EQ(0, C[0]);
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EXPECT_EQ(0, C[1]);
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EXPECT_EQ(0, C[2]);
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EXPECT_EQ(0, C[3]);
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}
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