TESTS: ist: add a test file for the functions
This test file covers the various functions provided by ist.h. It allows
both to test them for absence of regression, and to observe the code
emitted at different optimization levels.
diff --git a/tests/ist.c b/tests/ist.c
new file mode 100644
index 0000000..ee31963
--- /dev/null
+++ b/tests/ist.c
@@ -0,0 +1,700 @@
+/* ist.c: test code for ist.h
+ *
+ * Build with :
+ * gcc -Iinclude -Wall -W -fomit-frame-pointer -Os tests/ist.c
+ * gcc -Iinclude -Wall -W -fomit-frame-pointer -O1 tests/ist.c
+ * gcc -Iinclude -Wall -W -fomit-frame-pointer -O2 tests/ist.c
+ * gcc -Iinclude -Wall -W -fomit-frame-pointer -O3 tests/ist.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "common/ist.h"
+
+
+// pre-extracted from ist.h using the following expression :
+// sed -n '/^static inline/s:^\([^ ]\+\) \([^ ]\+\) \(.*[* ]\)\([^* ]\+(\)\(.*\):\3f_\4\5 { return \4); }\nstatic int test_\4)\n{\n\treturn 0;\n}\n:p' include/common/ist.h
+// sed -n '/^static inline/s:^\([^ ]\+\) \([^ ]\+\) \(.*[* ]\)\([^* ]\+(\)\(.*\):\tif (test_\4)) printf("\4)\\n");:p' include/common/ist.h
+// sed -n '/^static inline/s:^\([^ ]\+\) \([^ ]\+\) \(.*[* ]\)\([^* ]\+(\)\(.*\):\tprintf("%4d \4)\\n", test_\4));:p' include/common/ist.h
+
+struct ist f_ist(const void *str) { return ist(str); }
+static int test_ist()
+{
+ if (ist("foo").ptr == NULL)
+ return __LINE__;
+ if (ist("foo").len != 3)
+ return __LINE__;
+ if (strncmp(ist("foo").ptr, "foo", 3) != 0)
+ return 3;
+ return 0;
+}
+
+struct ist f_ist2(const void *ptr, size_t len) { return ist2(ptr, len); }
+int test_ist2()
+{
+ if (ist2("foo", 3).ptr == NULL)
+ return __LINE__;
+ if (ist2("foo", 3).len != 3)
+ return __LINE__;
+ if (strncmp(ist2("foo", 3).ptr, "foo", 3) != 0)
+ return __LINE__;
+ return 0;
+}
+
+size_t f_istlen(struct ist ist) { return istlen(ist); }
+int test_istlen()
+{
+ if (istlen(ist("foo")) != 3)
+ return __LINE__;
+ if (istlen(ist("")) != 0)
+ return __LINE__;
+ if (istlen(ist(NULL)) != 0)
+ return __LINE__;
+ return 0;
+}
+
+struct ist f_istnext(struct ist ist) { return istnext(ist); }
+int test_istnext()
+{
+ if (istlen(istnext(ist("foo"))) != 2)
+ return __LINE__;
+ if (strncmp(istnext(ist("foo")).ptr, "oo", 2) != 0)
+ return __LINE__;
+ if (istnext(istnext(istnext(istnext(ist("foo"))))).len != 0)
+ return __LINE__;
+ return 0;
+}
+
+struct ist f_istpad(void *buf, const struct ist ist) { return istpad(buf, ist); }
+int test_istpad()
+{
+ char buf[5] = "xxxxx";
+
+ if (strncmp(istpad(buf, ist("foo")).ptr, "foo", 3) != 0)
+ return __LINE__;
+ if (strncmp(buf, "foo", 3) != 0)
+ return __LINE__;
+ if (buf[3] != 0 || buf[4] != 'x')
+ return __LINE__;
+ return 0;
+}
+
+struct ist f_isttrim(struct ist ist, size_t size) { return isttrim(ist, size); }
+int test_isttrim()
+{
+ if (isttrim(ist("foo"), 5).ptr == NULL)
+ return __LINE__;
+
+ if (isttrim(ist("foo"), 5).len != 3)
+ return __LINE__;
+
+ if (strncmp(isttrim(ist("foo"), 5).ptr, "foo", 3) != 0)
+ return __LINE__;
+
+ if (isttrim(ist("foo"), 2).ptr == NULL)
+ return __LINE__;
+
+ if (isttrim(ist("foo"), 2).len != 2)
+ return __LINE__;
+
+ if (strncmp(isttrim(ist("foo"), 2).ptr, "fo", 2) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+struct ist f_istzero(struct ist ist, size_t size) { return istzero(ist, size); }
+int test_istzero()
+{
+ char buf[5] = "xxxxx";
+
+ if (istzero(ist2(buf, 5), 10).ptr != buf)
+ return __LINE__;
+
+ if (istzero(ist2(buf, 5), 10).len != 5)
+ return __LINE__;
+
+ if (istzero(ist2(buf, 5), 5).len != 4)
+ return __LINE__;
+
+ if (buf[4] != 0)
+ return __LINE__;
+
+ if (istzero(ist2(buf, 5), 0).len != 0)
+ return __LINE__;
+
+ if (buf[0] == 0)
+ return __LINE__;
+
+ return 0;
+}
+
+int f_istdiff(const struct ist ist1, const struct ist ist2) { return istdiff(ist1, ist2); }
+int test_istdiff()
+{
+ if (istdiff(ist(""), ist("")) != 0)
+ return __LINE__;
+
+ if (istdiff(ist("bar"), ist("bar")) != 0)
+ return __LINE__;
+
+ if (istdiff(ist("foo"), ist("")) <= 0)
+ return __LINE__;
+
+ if (istdiff(ist(""), ist("bar")) >= 0)
+ return __LINE__;
+
+ if (istdiff(ist("foo"), ist("bar")) <= 0)
+ return __LINE__;
+
+ if (istdiff(ist("fo"), ist("bar")) <= 0)
+ return __LINE__;
+
+ if (istdiff(ist("bar"), ist("foo")) >= 0)
+ return __LINE__;
+
+ if (istdiff(ist("bar"), ist("fo")) >= 0)
+ return __LINE__;
+
+ return 0;
+}
+
+int f_istmatch(const struct ist ist1, const struct ist ist2) { return istmatch(ist1, ist2); }
+int test_istmatch()
+{
+ if (istmatch(ist(""), ist("")) == 0)
+ return __LINE__;
+
+ if (istmatch(ist("bar"), ist("bar")) == 0)
+ return __LINE__;
+
+ if (istmatch(ist("foo"), ist("")) == 0)
+ return __LINE__;
+
+ if (istmatch(ist(""), ist("bar")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("foo"), ist("bar")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("fo"), ist("bar")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("bar"), ist("foo")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("bar"), ist("fo")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("foo"), ist("foobar")) != 0)
+ return __LINE__;
+
+ if (istmatch(ist("foobar"), ist("foo")) == 0)
+ return __LINE__;
+
+ if (istmatch(ist("foobar"), ist("bar")) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+int f_istnmatch(struct ist ist1, struct ist ist2, size_t count) { return istnmatch(ist1, ist2, count); }
+int test_istnmatch()
+{
+ if (istnmatch(ist(""), ist(""), 1) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist(""), ist(""), 0) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("bar"), ist("bar"), 4) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("bar"), ist("bar"), 2) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("bar"), ist("baz"), 2) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist(""), 1) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist(""), 0) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist(""), ist("bar"), 3) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist(""), ist("bar"), 0) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist("bar"), 4) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist("bar"), 0) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("fo"), ist("bar"), 2) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("bar"), ist("foo"), 3) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("bar"), ist("fo"), 2) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist("foobar"), 4) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foo"), ist("foobar"), 3) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foobar"), ist("fooz"), 4) != 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foobar"), ist("fooz"), 3) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foobar"), ist("fooz"), 2) == 0)
+ return __LINE__;
+
+ if (istnmatch(ist("foobar"), ist("bar"), 3) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+int f_isteq(const struct ist ist1, const struct ist ist2) { return isteq(ist1, ist2); }
+int test_isteq()
+{
+ if (isteq(ist(""), ist("")) == 0)
+ return __LINE__;
+
+ if (isteq(ist("bar"), ist("bar")) == 0)
+ return __LINE__;
+
+ if (isteq(ist("foo"), ist("")) != 0)
+ return __LINE__;
+
+ if (isteq(ist(""), ist("bar")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("foo"), ist("bar")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("fo"), ist("bar")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("bar"), ist("foo")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("bar"), ist("fo")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("foo"), ist("foobar")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("foobar"), ist("foo")) != 0)
+ return __LINE__;
+
+ if (isteq(ist("foobar"), ist("bar")) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+int f_istneq(struct ist ist1, struct ist ist2, size_t count) { return istneq(ist1, ist2, count); }
+int test_istneq()
+{
+ if (istneq(ist(""), ist(""), 1) == 0)
+ return __LINE__;
+
+ if (istneq(ist(""), ist(""), 0) == 0)
+ return __LINE__;
+
+ if (istneq(ist("bar"), ist("bar"), 4) == 0)
+ return __LINE__;
+
+ if (istneq(ist("bar"), ist("bar"), 2) == 0)
+ return __LINE__;
+
+ if (istneq(ist("bar"), ist("baz"), 2) == 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist(""), 1) != 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist(""), 0) == 0)
+ return __LINE__;
+
+ if (istneq(ist(""), ist("bar"), 3) != 0)
+ return __LINE__;
+
+ if (istneq(ist(""), ist("bar"), 0) == 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist("bar"), 4) != 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist("bar"), 0) == 0)
+ return __LINE__;
+
+ if (istneq(ist("fo"), ist("bar"), 2) != 0)
+ return __LINE__;
+
+ if (istneq(ist("bar"), ist("foo"), 3) != 0)
+ return __LINE__;
+
+ if (istneq(ist("bar"), ist("fo"), 2) != 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist("foobar"), 4) != 0)
+ return __LINE__;
+
+ if (istneq(ist("foo"), ist("foobar"), 3) == 0)
+ return __LINE__;
+
+ if (istneq(ist("foobar"), ist("fooz"), 4) != 0)
+ return __LINE__;
+
+ if (istneq(ist("foobar"), ist("fooz"), 3) == 0)
+ return __LINE__;
+
+ if (istneq(ist("foobar"), ist("fooz"), 2) == 0)
+ return __LINE__;
+
+ if (istneq(ist("foobar"), ist("bar"), 3) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+ssize_t f_istcpy(struct ist *dst, const struct ist src, size_t count) { return istcpy(dst, src, count); }
+int test_istcpy()
+{
+ char buf[100] = "foobar";
+ struct ist dst = ist(buf);
+
+ if (istcpy(&dst, ist("FOO"), sizeof(buf)) != 3)
+ return __LINE__;
+
+ if (dst.len != 3)
+ return __LINE__;
+
+ if (strcmp(buf, "FOObar") != 0)
+ return __LINE__;
+
+ if (istcpy(&dst, ist("foo"), 2) != -1)
+ return __LINE__;
+
+ if (strcmp(buf, "foObar") != 0)
+ return __LINE__;
+
+ if (istcpy(&dst, ist("foo"), 3) != 3)
+ return __LINE__;
+
+ if (strcmp(buf, "foobar") != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+ssize_t f_istscpy(struct ist *dst, const struct ist src, size_t count) { return istscpy(dst, src, count); }
+int test_istscpy()
+{
+ char buf[100] = "foobar";
+ struct ist dst = ist(buf);
+
+ if (istscpy(&dst, ist("FOO"), sizeof(buf)) != 3)
+ return __LINE__;
+
+ if (dst.len != 3)
+ return __LINE__;
+
+ if (memcmp(buf, "FOO\0ar", 6) != 0)
+ return __LINE__;
+
+ if (istscpy(&dst, ist("foo"), 3) != -1)
+ return __LINE__;
+
+ if (memcmp(buf, "fo\0\0ar", 6) != 0)
+ return __LINE__;
+
+ if (istscpy(&dst, ist("foo"), 3) != -1)
+ return __LINE__;
+
+ if (istscpy(&dst, ist("foo"), 4) != 3)
+ return __LINE__;
+
+ if (memcmp(buf, "foo\0ar", 6) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+ssize_t f_istcat(struct ist *dst, const struct ist src, size_t count) { return istcat(dst, src, count); }
+int test_istcat()
+{
+ char buf[11] = "foobar";
+ struct ist dst = ist(buf);
+
+ if (istcat(&dst, ist("FOO"), sizeof(buf)) != 9)
+ return __LINE__;
+
+ if (strcmp(buf, "foobarFOO") != 0)
+ return __LINE__;
+
+ if (istcat(&dst, ist("foo"), 10) != -1)
+ return __LINE__;
+
+ if (dst.len != 10)
+ return __LINE__;
+
+ if (strncmp(buf, "foobarFOOf", 10) != 0)
+ return __LINE__;
+
+ if (istcat(&dst, ist("foo"), 3) != -1)
+ return __LINE__;
+
+ if (dst.len != 10)
+ return __LINE__;
+
+ if (strncmp(buf, "foobar", 6) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+ssize_t f_istscat(struct ist *dst, const struct ist src, size_t count) { return istscat(dst, src, count); }
+int test_istscat()
+{
+ char buf[11] = "foobar";
+ struct ist dst = ist(buf);
+
+ if (istscat(&dst, ist("FOO"), sizeof(buf)) != 9)
+ return __LINE__;
+
+ if (strcmp(buf, "foobarFOO") != 0)
+ return __LINE__;
+
+ if (istscat(&dst, ist("foo"), sizeof(buf)) != -1)
+ return __LINE__;
+
+ if (dst.len != 10)
+ return __LINE__;
+
+ if (strncmp(buf, "foobarFOOf", 10) != 0)
+ return __LINE__;
+
+ if (istscat(&dst, ist("foo"), 3) != -1)
+ return __LINE__;
+
+ if (dst.len != 10)
+ return __LINE__;
+
+ if (strncmp(buf, "foobar", 6) != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+char *f_istchr(const struct ist ist, char chr) { return istchr(ist, chr); }
+int test_istchr()
+{
+ struct ist foobar = ist("foobar");
+
+ if (istchr(foobar, 'f') != foobar.ptr)
+ return __LINE__;
+
+ if (istchr(foobar, 'o') != foobar.ptr + 1)
+ return __LINE__;
+
+ if (istchr(foobar, 'r') != foobar.ptr + 5)
+ return __LINE__;
+
+ if (istchr(foobar, 'X') != NULL)
+ return __LINE__;
+
+ if (istchr(foobar, 0) != NULL)
+ return __LINE__;
+
+ return 0;
+}
+
+struct ist f_istfind(struct ist ist, char chr) { return istfind(ist, chr); }
+int test_istfind()
+{
+ struct ist foobar = ist("foobar");
+
+ if (istfind(foobar, 'f').ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istfind(foobar, 'f').len != 6)
+ return __LINE__;
+
+ if (istfind(foobar, 'o').ptr != foobar.ptr + 1)
+ return __LINE__;
+
+ if (istfind(foobar, 'o').len != 5)
+ return __LINE__;
+
+ if (istfind(foobar, 'r').ptr != foobar.ptr + 5)
+ return __LINE__;
+
+ if (istfind(foobar, 'r').len != 1)
+ return __LINE__;
+
+ if (istfind(foobar, 'X').ptr != foobar.ptr + foobar.len)
+ return __LINE__;
+
+ if (istfind(foobar, 'X').len != 0)
+ return __LINE__;
+
+ if (istfind(foobar, 0).ptr != foobar.ptr + foobar.len)
+ return __LINE__;
+
+ if (istfind(foobar, 0).len != 0)
+ return __LINE__;
+
+ return 0;
+}
+
+struct ist f_istskip(struct ist ist, char chr) { return istskip(ist, chr); }
+int test_istskip()
+{
+ struct ist foobar = ist("foobar");
+ struct ist r = ist("r");
+
+ if (istskip(foobar, 'X').ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istskip(foobar, 'X').len != foobar.len)
+ return __LINE__;
+
+ if (istskip(foobar, 'o').ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istskip(foobar, 'o').len != foobar.len)
+ return __LINE__;
+
+ if (istskip(foobar, 'f').ptr != foobar.ptr + 1)
+ return __LINE__;
+
+ if (istskip(foobar, 'f').len != foobar.len - 1)
+ return __LINE__;
+
+ if (istskip(r, 'r').ptr != r.ptr + 1)
+ return __LINE__;
+
+ if (istskip(r, 'r').len != r.len - 1)
+ return __LINE__;
+
+ if (istskip(foobar, 'X').ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istskip(foobar, 'X').len != foobar.len)
+ return __LINE__;
+
+ if (istskip(r, 0).ptr != r.ptr)
+ return __LINE__;
+
+ if (istskip(r, 0).len != r.len)
+ return __LINE__;
+
+ return 0;
+}
+
+struct ist f_istist(struct ist ist, const struct ist pat) { return istist(ist, pat); }
+int test_istist()
+{
+ struct ist foobar = ist("foobar");
+
+ if (istist(foobar, ist("f")).ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istist(foobar, ist("f")).len != foobar.len)
+ return __LINE__;
+
+ if (istist(foobar, ist("foob")).ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istist(foobar, ist("foob")).len != foobar.len)
+ return __LINE__;
+
+ if (istist(foobar, ist("foobar")).ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istist(foobar, ist("foobar")).len != foobar.len)
+ return __LINE__;
+
+ if (istist(foobar, ist("o")).ptr != foobar.ptr + 1)
+ return __LINE__;
+
+ if (istist(foobar, ist("o")).len != foobar.len - 1)
+ return __LINE__;
+
+ if (istist(foobar, ist("ooba")).ptr != foobar.ptr + 1)
+ return __LINE__;
+
+ if (istist(foobar, ist("ooba")).len != foobar.len - 1)
+ return __LINE__;
+
+ if (istist(foobar, ist("r")).ptr != foobar.ptr + 5)
+ return __LINE__;
+
+ if (istist(foobar, ist("r")).len != foobar.len - 5)
+ return __LINE__;
+
+ if (istist(foobar, ist("X")).ptr != NULL)
+ return __LINE__;
+
+ if (istist(foobar, ist("X")).len != 0)
+ return __LINE__;
+
+ if (istist(foobar, ist("oobaX")).ptr != NULL)
+ return __LINE__;
+
+ if (istist(foobar, ist("oobaX")).len != 0)
+ return __LINE__;
+
+ if (istist(foobar, ist("oobarX")).ptr != NULL)
+ return __LINE__;
+
+ if (istist(foobar, ist("oobarX")).len != 0)
+ return __LINE__;
+
+ if (istist(foobar, ist("")).ptr != foobar.ptr)
+ return __LINE__;
+
+ if (istist(foobar, ist("")).len != foobar.len)
+ return __LINE__;
+
+ return 0;
+}
+
+
+int main(void)
+{
+ printf("%4d ist()\n", test_ist());
+ printf("%4d ist2()\n", test_ist2());
+ printf("%4d istlen()\n", test_istlen());
+ printf("%4d istnext()\n", test_istnext());
+ printf("%4d istpad()\n", test_istpad());
+ printf("%4d isttrim()\n", test_isttrim());
+ printf("%4d istzero()\n", test_istzero());
+ printf("%4d istdiff()\n", test_istdiff());
+ printf("%4d istmatch()\n", test_istmatch());
+ printf("%4d istnmatch()\n", test_istnmatch());
+ printf("%4d isteq()\n", test_isteq());
+ printf("%4d istneq()\n", test_istneq());
+ printf("%4d istcpy()\n", test_istcpy());
+ printf("%4d istscpy()\n", test_istscpy());
+ printf("%4d istcat()\n", test_istcat());
+ printf("%4d istscat()\n", test_istscat());
+ printf("%4d istchr()\n", test_istchr());
+ printf("%4d istfind()\n", test_istfind());
+ printf("%4d istskip()\n", test_istskip());
+ printf("%4d istist()\n", test_istist());
+
+ return 0;
+}