171 lines
6.2 KiB
C
171 lines
6.2 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/runtime/internal.h"
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#include "libc/testlib/testlib.h"
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TEST(GetDosArgv, empty) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(0, GetDosArgv(u"", buf, size, argv, max));
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EXPECT_EQ(NULL, argv[0]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, emptyish) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(0, GetDosArgv(u" ", buf, size, argv, max));
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EXPECT_EQ(NULL, argv[0]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, basicUsage) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(3, GetDosArgv(u"a\t \"b c\" d ", buf, size, argv, max));
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EXPECT_STREQ("a", argv[0]);
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EXPECT_STREQ("b c", argv[1]);
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EXPECT_STREQ("d", argv[2]);
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EXPECT_EQ(NULL, argv[3]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, advancedUsage) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(2, GetDosArgv(u"(╯°□°)╯︵ ┻━┻", buf, size, argv, max));
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EXPECT_STREQ("(╯°□°)╯︵", argv[0]);
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EXPECT_STREQ("┻━┻", argv[1]);
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EXPECT_EQ(NULL, argv[2]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, testAegeanGothicSupplementaryPlanes) {
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size_t max = 4; /* these symbols are almost as old as dos */
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(2, GetDosArgv(u"𐄷𐄸𐄹𐄺𐄻𐄼 𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷", buf, size, argv, max));
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EXPECT_STREQ("𐄷𐄸𐄹𐄺𐄻𐄼", argv[0]);
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EXPECT_STREQ("𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷", argv[1]);
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EXPECT_EQ(NULL, argv[2]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, realWorldUsage) {
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size_t max = 512;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(5, GetDosArgv(u"C:\\Users\\jtunn\\printargs.com oh yes yes yes",
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buf, size, argv, max));
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EXPECT_STREQ("C:\\Users\\jtunn\\printargs.com", argv[0]);
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EXPECT_STREQ("oh", argv[1]);
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EXPECT_STREQ("yes", argv[2]);
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EXPECT_STREQ("yes", argv[3]);
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EXPECT_STREQ("yes", argv[4]);
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EXPECT_EQ(NULL, argv[5]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, bufferOverrun_countIsStillAccurate_truncatesMemoryWithGrace) {
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size_t max = 3;
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size_t size = 7;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(3, GetDosArgv(u"a\t \"b c\" d ", buf, size, argv, max));
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EXPECT_STREQ("a", argv[0]);
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EXPECT_STREQ("b c", argv[1]);
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EXPECT_EQ(NULL, argv[2]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, pureScanningMode) {
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size_t max = 0;
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size_t size = 0;
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char *buf = NULL;
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char **argv = NULL;
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EXPECT_EQ(3, GetDosArgv(u"a b c", buf, size, argv, max));
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}
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TEST(GetDosArgv, justSlashQuote) {
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size_t max = 4, size = 16;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(1, GetDosArgv(u"\"\\\\\\\"\"", buf, size, argv, max));
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EXPECT_STREQ("\\\"", argv[0]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, quoteInMiddleOfArg_wontSplitArg) {
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size_t max = 4, size = 16;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(1, GetDosArgv(u"hi\"\"there", buf, size, argv, max));
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EXPECT_STREQ("hithere", argv[0]);
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max = 4, size = 16;
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EXPECT_EQ(1, GetDosArgv(u"hi\" \"there", buf, size, argv, max));
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EXPECT_STREQ("hi there", argv[0]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, waqQuoting1) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(2,
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GetDosArgv(u"a\\\\\"\"\"\"\"\"\"\"b c\" d", buf, size, argv, max));
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EXPECT_STREQ("a\\\"\"b", argv[0]);
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EXPECT_STREQ("c d", argv[1]);
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EXPECT_EQ(NULL, argv[2]);
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tfree(argv);
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tfree(buf);
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}
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TEST(GetDosArgv, waqQuoting2) {
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size_t max = 4;
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size_t size = ARG_MAX;
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char *buf = tmalloc(size * sizeof(char));
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char **argv = tmalloc(max * sizeof(char *));
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EXPECT_EQ(2, GetDosArgv(u"\"a\\\"b c\" d", buf, size, argv, max));
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EXPECT_STREQ("a\"b c", argv[0]);
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EXPECT_STREQ("d", argv[1]);
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EXPECT_EQ(NULL, argv[2]);
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tfree(argv);
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tfree(buf);
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}
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