101 lines
4.7 KiB
C
101 lines
4.7 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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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dns/dns.h"
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#include "libc/str/str.h"
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#include "libc/testlib/testlib.h"
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TEST(dnsnamecmp, testEmpty) {
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char *A = strcpy(tmalloc(1), "");
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char *B = strcpy(tmalloc(1), "");
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EXPECT_EQ(dnsnamecmp(A, B), 0);
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EXPECT_EQ(dnsnamecmp(A, A), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testDotless_caseInsensitiveBehavior) {
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char *A = tmalloc(2);
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char *B = tmalloc(2);
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EXPECT_EQ(dnsnamecmp(strcpy(A, "a"), strcpy(B, "a")), 0);
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EXPECT_EQ(dnsnamecmp(A, A), 0);
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EXPECT_EQ(dnsnamecmp(strcpy(A, "a"), strcpy(B, "A")), 0);
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EXPECT_EQ(dnsnamecmp(strcpy(A, "A"), strcpy(B, "a")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(A, "a"), strcpy(B, "b")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(A, "a"), strcpy(B, "B")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "d"), strcpy(B, "a")), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testMultiLabel_lexiReverse) {
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char *A = tmalloc(16);
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char *B = tmalloc(16);
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EXPECT_EQ(dnsnamecmp(strcpy(A, "a.example"), strcpy(B, "a.example")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "b.example"), strcpy(B, "a.example")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(A, "b.example"), strcpy(B, "a.examplz")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "a.zxample"), strcpy(B, "a.examplz")), 0);
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EXPECT_EQ(dnsnamecmp(strcpy(A, "c.a.example"), strcpy(B, "c.a.example")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "d.a.example"), strcpy(B, "c.a.example")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(A, "cat.example"), strcpy(B, "lol.example")), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testTldDotQualifier_canBeEqualToDottedNames) {
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char *A = tmalloc(16);
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char *B = tmalloc(16);
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EXPECT_EQ(dnsnamecmp(strcpy(B, "aaa.example."), strcpy(A, "aaa.example")), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testFullyQualified_alwaysComesFirst) {
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char *A = tmalloc(16);
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char *B = tmalloc(16);
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EXPECT_LT(dnsnamecmp(strcpy(B, "aaa.example."), strcpy(A, "zzz")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(B, "zzz.example."), strcpy(A, "aaa")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "zzz"), strcpy(B, "aaa.example.")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "aaa"), strcpy(B, "zzz.example.")), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testLikelySld_alwaysComesBeforeLocalName) {
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char *A = tmalloc(16);
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char *B = tmalloc(16);
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EXPECT_LT(dnsnamecmp(strcpy(B, "z.e"), strcpy(A, "a")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(B, "aaa.example"), strcpy(A, "zzz")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(B, "zzz.example"), strcpy(A, "aaa")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "zzz"), strcpy(B, "aaa.example")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "aaa"), strcpy(B, "zzz.example")), 0);
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tfree(B);
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tfree(A);
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}
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TEST(dnsnamecmp, testLikelySubdomain_alwaysComesAfterSld) {
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char *A = tmalloc(16);
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char *B = tmalloc(16);
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EXPECT_LT(dnsnamecmp(strcpy(B, "a.e"), strcpy(A, "z.a.e")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "z.a.e"), strcpy(B, "a.e")), 0);
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EXPECT_LT(dnsnamecmp(strcpy(B, "b.e"), strcpy(A, "a.b.e")), 0);
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EXPECT_GT(dnsnamecmp(strcpy(A, "a.b.e"), strcpy(B, "b.e")), 0);
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tfree(B);
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tfree(A);
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}
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