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713 lines
21 KiB
D
713 lines
21 KiB
D
// Split-up due to DMD's enormous memory consumption
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module std.regex.internal.tests2;
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package(std.regex):
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import std.conv, std.exception, std.meta, std.range,
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std.typecons, std.regex;
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import std.uni : Escapables; // characters that need escaping
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@safe unittest
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{
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auto cr = ctRegex!("abc");
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assert(bmatch("abc",cr).hit == "abc");
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auto cr2 = ctRegex!("ab*c");
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assert(bmatch("abbbbc",cr2).hit == "abbbbc");
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}
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@safe unittest
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{
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auto cr3 = ctRegex!("^abc$");
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assert(bmatch("abc",cr3).hit == "abc");
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auto cr4 = ctRegex!(`\b(a\B[a-z]b)\b`);
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assert(array(match("azb",cr4).captures) == ["azb", "azb"]);
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}
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@safe unittest
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{
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auto cr5 = ctRegex!("(?:a{2,4}b{1,3}){1,2}");
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assert(bmatch("aaabaaaabbb", cr5).hit == "aaabaaaabbb");
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auto cr6 = ctRegex!("(?:a{2,4}b{1,3}){1,2}?"w);
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assert(bmatch("aaabaaaabbb"w, cr6).hit == "aaab"w);
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}
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@safe unittest
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{
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auto cr7 = ctRegex!(`\r.*?$`,"sm");
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assert(bmatch("abc\r\nxy", cr7).hit == "\r\nxy");
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auto greed = ctRegex!("<packet.*?/packet>");
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assert(bmatch("<packet>text</packet><packet>text</packet>", greed).hit
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== "<packet>text</packet>");
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}
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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auto cr8 = ctRegex!("^(a)(b)?(c*)");
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auto m8 = bmatch("abcc",cr8);
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assert(m8);
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assert(m8.captures[1] == "a");
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assert(m8.captures[2] == "b");
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assert(m8.captures[3] == "cc");
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auto cr9 = ctRegex!("q(a|b)*q");
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auto m9 = match("xxqababqyy",cr9);
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assert(m9);
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assert(equal(bmatch("xxqababqyy",cr9).captures, ["qababq", "b"]));
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}
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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auto rtr = regex("a|b|c");
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static ctr = regex("a|b|c");
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assert(equal(rtr.ir,ctr.ir));
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//CTFE parser BUG is triggered by group
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//in the middle of alternation (at least not first and not last)
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static testCT = regex(`abc|(edf)|xyz`);
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auto testRT = regex(`abc|(edf)|xyz`);
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assert(equal(testCT.ir,testRT.ir));
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}
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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import std.algorithm.iteration : map;
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enum cx = ctRegex!"(A|B|C)";
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auto mx = match("B",cx);
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assert(mx);
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assert(equal(mx.captures, [ "B", "B"]));
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enum cx2 = ctRegex!"(A|B)*";
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assert(match("BAAA",cx2));
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enum cx3 = ctRegex!("a{3,4}","i");
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auto mx3 = match("AaA",cx3);
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assert(mx3);
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assert(mx3.captures[0] == "AaA");
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enum cx4 = ctRegex!(`^a{3,4}?[a-zA-Z0-9~]{1,2}`,"i");
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auto mx4 = match("aaaabc", cx4);
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assert(mx4);
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assert(mx4.captures[0] == "aaaab");
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auto cr8 = ctRegex!("(a)(b)?(c*)");
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auto m8 = bmatch("abcc",cr8);
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assert(m8);
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assert(m8.captures[1] == "a");
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assert(m8.captures[2] == "b");
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assert(m8.captures[3] == "cc");
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auto cr9 = ctRegex!(".*$", "gm");
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auto m9 = match("First\rSecond", cr9);
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assert(m9);
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assert(equal(map!"a.hit"(m9), ["First", "", "Second"]));
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}
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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import std.algorithm.iteration : map;
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//global matching
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void test_body(alias matchFn)()
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{
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string s = "a quick brown fox jumps over a lazy dog";
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auto r1 = regex("\\b[a-z]+\\b","g");
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string[] test;
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foreach (m; matchFn(s, r1))
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test ~= m.hit;
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assert(equal(test, [ "a", "quick", "brown", "fox", "jumps", "over", "a", "lazy", "dog"]));
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auto free_reg = regex(`
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abc
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\s+
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"
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(
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[^"]+
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| \\ "
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)+
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"
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z
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`, "x");
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auto m = match(`abc "quoted string with \" inside"z`,free_reg);
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assert(m);
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string mails = " hey@you.com no@spam.net ";
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auto rm = regex(`@(?<=\S+@)\S+`,"g");
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assert(equal(map!"a[0]"(matchFn(mails, rm)), ["@you.com", "@spam.net"]));
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auto m2 = matchFn("First line\nSecond line",regex(".*$","gm"));
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assert(equal(map!"a[0]"(m2), ["First line", "", "Second line"]));
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auto m2a = matchFn("First line\nSecond line",regex(".+$","gm"));
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assert(equal(map!"a[0]"(m2a), ["First line", "Second line"]));
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auto m2b = matchFn("First line\nSecond line",regex(".+?$","gm"));
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assert(equal(map!"a[0]"(m2b), ["First line", "Second line"]));
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debug(std_regex_test) writeln("!!! FReD FLAGS test done "~matchFn.stringof~" !!!");
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}
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test_body!bmatch();
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test_body!match();
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}
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//tests for accumulated std.regex issues and other regressions
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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import std.algorithm.iteration : map;
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void test_body(alias matchFn)()
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{
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// https://issues.dlang.org/show_bug.cgi?id=5857
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//matching goes out of control if ... in (...){x} has .*/.+
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auto c = matchFn("axxxzayyyyyzd",regex("(a.*z){2}d")).captures;
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assert(c[0] == "axxxzayyyyyzd");
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assert(c[1] == "ayyyyyz");
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auto c2 = matchFn("axxxayyyyyd",regex("(a.*){2}d")).captures;
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assert(c2[0] == "axxxayyyyyd");
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assert(c2[1] == "ayyyyy");
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// https://issues.dlang.org/show_bug.cgi?id=2108
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//greedy vs non-greedy
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auto nogreed = regex("<packet.*?/packet>");
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assert(matchFn("<packet>text</packet><packet>text</packet>", nogreed).hit
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== "<packet>text</packet>");
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auto greed = regex("<packet.*/packet>");
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assert(matchFn("<packet>text</packet><packet>text</packet>", greed).hit
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== "<packet>text</packet><packet>text</packet>");
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// https://issues.dlang.org/show_bug.cgi?id=4574
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//empty successful match still advances the input
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string[] pres, posts, hits;
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foreach (m; matchFn("abcabc", regex("","g")))
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{
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pres ~= m.pre;
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posts ~= m.post;
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assert(m.hit.empty);
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}
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auto heads = [
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"abcabc",
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"abcab",
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"abca",
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"abc",
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"ab",
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"a",
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""
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];
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auto tails = [
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"abcabc",
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"bcabc",
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"cabc",
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"abc",
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"bc",
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"c",
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""
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];
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assert(pres == array(retro(heads)));
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assert(posts == tails);
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// https://issues.dlang.org/show_bug.cgi?id=6076
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//regression on .*
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auto re = regex("c.*|d");
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auto m = matchFn("mm", re);
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assert(!m);
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debug(std_regex_test) writeln("!!! FReD REGRESSION test done "~matchFn.stringof~" !!!");
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auto rprealloc = regex(`((.){5}.{1,10}){5}`);
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auto arr = array(repeat('0',100));
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auto m2 = matchFn(arr, rprealloc);
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assert(m2);
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assert(collectException(
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regex(r"^(import|file|binary|config)\s+([^\(]+)\(?([^\)]*)\)?\s*$")
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) is null);
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foreach (ch; [Escapables])
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{
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assert(match(to!string(ch),regex(`[\`~ch~`]`)));
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assert(!match(to!string(ch),regex(`[^\`~ch~`]`)));
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assert(match(to!string(ch),regex(`[\`~ch~`-\`~ch~`]`)));
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}
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// https://issues.dlang.org/show_bug.cgi?id=7718
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string strcmd = "./myApp.rb -os OSX -path \"/GIT/Ruby Apps/sec\" -conf 'notimer'";
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auto reStrCmd = regex (`(".*")|('.*')`, "g");
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assert(equal(map!"a[0]"(matchFn(strcmd, reStrCmd)),
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[`"/GIT/Ruby Apps/sec"`, `'notimer'`]));
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}
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test_body!bmatch();
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test_body!match();
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}
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// tests for replace
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@safe unittest
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{
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void test(alias matchFn)()
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{
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import std.uni : toUpper;
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static foreach (i, v; AliasSeq!(string, wstring, dstring))
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{{
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auto baz(Cap)(Cap m)
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if (is(Cap == Captures!(Cap.String)))
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{
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return toUpper(m.hit);
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}
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alias String = v;
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assert(std.regex.replace!(matchFn)(to!String("ark rapacity"), regex(to!String("r")), to!String("c"))
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== to!String("ack rapacity"));
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assert(std.regex.replace!(matchFn)(to!String("ark rapacity"), regex(to!String("r"), "g"), to!String("c"))
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== to!String("ack capacity"));
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assert(std.regex.replace!(matchFn)(to!String("noon"), regex(to!String("^n")), to!String("[$&]"))
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== to!String("[n]oon"));
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assert(std.regex.replace!(matchFn)(
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to!String("test1 test2"), regex(to!String(`\w+`),"g"), to!String("$`:$'")
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) == to!String(": test2 test1 :"));
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auto s = std.regex.replace!(baz!(Captures!(String)))(to!String("Strap a rocket engine on a chicken."),
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regex(to!String("[ar]"), "g"));
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assert(s == "StRAp A Rocket engine on A chicken.");
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}}
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debug(std_regex_test) writeln("!!! Replace test done "~matchFn.stringof~" !!!");
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}
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test!(bmatch)();
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test!(match)();
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}
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// tests for splitter
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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auto s1 = ", abc, de, fg, hi, ";
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auto sp1 = splitter(s1, regex(", *"));
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auto w1 = ["", "abc", "de", "fg", "hi", ""];
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assert(equal(sp1, w1));
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auto s2 = ", abc, de, fg, hi";
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auto sp2 = splitter(s2, regex(", *"));
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auto w2 = ["", "abc", "de", "fg", "hi"];
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uint cnt;
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foreach (e; sp2)
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{
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assert(w2[cnt++] == e);
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}
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assert(equal(sp2, w2));
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}
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@safe unittest
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{
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char[] s1 = ", abc, de, fg, hi, ".dup;
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auto sp2 = splitter(s1, regex(", *"));
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}
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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auto s1 = ", abc, de, fg, hi, ";
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auto w1 = ["", "abc", "de", "fg", "hi", ""];
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assert(equal(split(s1, regex(", *")), w1[]));
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}
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// https://issues.dlang.org/show_bug.cgi?id=7141
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@safe unittest
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{
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string pattern = `[a\--b]`;
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assert(match("-", pattern));
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assert(match("b", pattern));
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string pattern2 = `[&-z]`;
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assert(match("b", pattern2));
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}
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// https://issues.dlang.org/show_bug.cgi?id=7111
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@safe unittest
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{
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assert(match("", regex("^")));
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}
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// https://issues.dlang.org/show_bug.cgi?id=7300
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@safe unittest
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{
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assert(!match("a"d, "aa"d));
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}
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// https://issues.dlang.org/show_bug.cgi?id=7551
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@safe unittest
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{
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auto r = regex("[]abc]*");
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assert("]ab".matchFirst(r).hit == "]ab");
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assertThrown(regex("[]"));
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auto r2 = regex("[]abc--ab]*");
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assert("]ac".matchFirst(r2).hit == "]");
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}
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// https://issues.dlang.org/show_bug.cgi?id=7674
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@safe unittest
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{
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assert("1234".replace(regex("^"), "$$") == "$1234");
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assert("hello?".replace(regex(r"\?", "g"), r"\?") == r"hello\?");
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assert("hello?".replace(regex(r"\?", "g"), r"\\?") != r"hello\?");
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}
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// https://issues.dlang.org/show_bug.cgi?id=7679
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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static foreach (S; AliasSeq!(string, wstring, dstring))
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{{
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enum re = ctRegex!(to!S(r"\."));
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auto str = to!S("a.b");
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assert(equal(std.regex.splitter(str, re), [to!S("a"), to!S("b")]));
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assert(split(str, re) == [to!S("a"), to!S("b")]);
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}}
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}
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// https://issues.dlang.org/show_bug.cgi?id=8203
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@safe unittest
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{
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string data = "
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NAME = XPAW01_STA:STATION
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NAME = XPAW01_STA
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";
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auto uniFileOld = data;
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auto r = regex(
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r"^NAME = (?P<comp>[a-zA-Z0-9_]+):*(?P<blk>[a-zA-Z0-9_]*)","gm");
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auto uniCapturesNew = match(uniFileOld, r);
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for (int i = 0; i < 20; i++)
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foreach (matchNew; uniCapturesNew) {}
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//a second issue with same symptoms
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auto r2 = regex(`([а-яА-Я\-_]+\s*)+(?<=[\s\.,\^])`);
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match("аллея Театральная", r2);
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}
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// https://issues.dlang.org/show_bug.cgi?id=8637 purity of enforce
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@safe unittest
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{
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auto m = match("hello world", regex("world"));
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enforce(m);
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}
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// https://issues.dlang.org/show_bug.cgi?id=8725
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@safe unittest
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{
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static italic = regex( r"\*
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(?!\s+)
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(.*?)
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(?!\s+)
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\*", "gx" );
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string input = "this * is* interesting, *very* interesting";
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assert(replace(input, italic, "<i>$1</i>") ==
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"this * is* interesting, <i>very</i> interesting");
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}
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// https://issues.dlang.org/show_bug.cgi?id=8349
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@safe unittest
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{
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enum peakRegexStr = r"\>(wgEncode.*Tfbs.*\.(?:narrow)|(?:broad)Peak.gz)</a>";
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enum peakRegex = ctRegex!(peakRegexStr);
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//note that the regex pattern itself is probably bogus
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assert(match(r"\>wgEncode-blah-Tfbs.narrow</a>", peakRegex));
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}
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// https://issues.dlang.org/show_bug.cgi?id=9211
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@safe unittest
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{
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import std.algorithm.comparison : equal;
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auto rx_1 = regex(r"^(\w)*(\d)");
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auto m = match("1234", rx_1);
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assert(equal(m.front, ["1234", "3", "4"]));
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auto rx_2 = regex(r"^([0-9])*(\d)");
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auto m2 = match("1234", rx_2);
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assert(equal(m2.front, ["1234", "3", "4"]));
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}
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// https://issues.dlang.org/show_bug.cgi?id=9280
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@safe unittest
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{
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string tomatch = "a!b@c";
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static r = regex(r"^(?P<nick>.*?)!(?P<ident>.*?)@(?P<host>.*?)$");
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auto nm = match(tomatch, r);
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assert(nm);
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auto c = nm.captures;
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assert(c[1] == "a");
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assert(c["nick"] == "a");
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}
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// https://issues.dlang.org/show_bug.cgi?id=9579
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@safe unittest
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{
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char[] input = ['a', 'b', 'c'];
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string format = "($1)";
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// used to give a compile error:
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auto re = regex(`(a)`, "g");
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auto r = replace(input, re, format);
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assert(r == "(a)bc");
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}
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// https://issues.dlang.org/show_bug.cgi?id=9634
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@safe unittest
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{
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auto re = ctRegex!"(?:a+)";
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assert(match("aaaa", re).hit == "aaaa");
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}
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// https://issues.dlang.org/show_bug.cgi?id=10798
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@safe unittest
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{
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auto cr = ctRegex!("[abcd--c]*");
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auto m = "abc".match(cr);
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assert(m);
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assert(m.hit == "ab");
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}
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// https://issues.dlang.org/show_bug.cgi?id=10913
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@system unittest
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{
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@system static string foo(const(char)[] s)
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{
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return s.dup;
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}
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@safe static string bar(const(char)[] s)
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{
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return s.dup;
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}
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() @system {
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replace!((a) => foo(a.hit))("blah", regex(`a`));
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}();
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() @safe {
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replace!((a) => bar(a.hit))("blah", regex(`a`));
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}();
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}
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// https://issues.dlang.org/show_bug.cgi?id=11262
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@safe unittest
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{
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||
enum reg = ctRegex!(r",", "g");
|
||
auto str = "This,List";
|
||
str = str.replace(reg, "-");
|
||
assert(str == "This-List");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=11775
|
||
@safe unittest
|
||
{
|
||
assert(collectException(regex("a{1,0}")));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=11839
|
||
@safe unittest
|
||
{
|
||
import std.algorithm.comparison : equal;
|
||
assert(regex(`(?P<var1>\w+)`).namedCaptures.equal(["var1"]));
|
||
assert(collectException(regex(`(?P<1>\w+)`)));
|
||
assert(regex(`(?P<v1>\w+)`).namedCaptures.equal(["v1"]));
|
||
assert(regex(`(?P<__>\w+)`).namedCaptures.equal(["__"]));
|
||
assert(regex(`(?P<я>\w+)`).namedCaptures.equal(["я"]));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12076
|
||
@safe unittest
|
||
{
|
||
auto RE = ctRegex!(r"(?<!x[a-z]+)\s([a-z]+)");
|
||
string s = "one two";
|
||
auto m = match(s, RE);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12105
|
||
@safe unittest
|
||
{
|
||
auto r = ctRegex!`.*?(?!a)`;
|
||
assert("aaab".matchFirst(r).hit == "aaa");
|
||
auto r2 = ctRegex!`.*(?!a)`;
|
||
assert("aaab".matchFirst(r2).hit == "aaab");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=11784
|
||
@safe unittest
|
||
{
|
||
assert("abcdefghijklmnopqrstuvwxyz"
|
||
.matchFirst("[a-z&&[^aeiuo]]").hit == "b");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12366
|
||
@safe unittest
|
||
{
|
||
auto re = ctRegex!(`^((?=(xx+?)\2+$)((?=\2+$)(?=(x+)(\4+$))\5){2})*x?$`);
|
||
assert("xxxxxxxx".match(re).empty);
|
||
assert(!"xxxx".match(re).empty);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12582
|
||
@safe unittest
|
||
{
|
||
auto r = regex(`(?P<a>abc)`);
|
||
assert(collectException("abc".matchFirst(r)["b"]));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12691
|
||
@safe unittest
|
||
{
|
||
assert(bmatch("e@", "^([a-z]|)*$").empty);
|
||
assert(bmatch("e@", ctRegex!`^([a-z]|)*$`).empty);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12713
|
||
@safe unittest
|
||
{
|
||
assertThrown(regex("[[a-z]([a-z]|(([[a-z])))"));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=12747
|
||
@safe unittest
|
||
{
|
||
assertThrown(regex(`^x(\1)`));
|
||
assertThrown(regex(`^(x(\1))`));
|
||
assertThrown(regex(`^((x)(?=\1))`));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=13532
|
||
version (none) // TODO: revist once we have proper benchmark framework
|
||
@safe unittest
|
||
{
|
||
import std.datetime.stopwatch : StopWatch, AutoStart;
|
||
import std.math.algebraic : abs;
|
||
import std.conv : to;
|
||
enum re1 = ctRegex!`[0-9][0-9]`;
|
||
immutable static re2 = ctRegex!`[0-9][0-9]`;
|
||
immutable iterations = 1_000_000;
|
||
size_t result1 = 0, result2 = 0;
|
||
auto sw = StopWatch(AutoStart.yes);
|
||
foreach (_; 0 .. iterations)
|
||
{
|
||
result1 += matchFirst("12345678", re1).length;
|
||
}
|
||
const staticTime = sw.peek();
|
||
sw.reset();
|
||
foreach (_; 0 .. iterations)
|
||
{
|
||
result2 += matchFirst("12345678", re2).length;
|
||
}
|
||
const enumTime = sw.peek();
|
||
assert(result1 == result2);
|
||
auto ratio = 1.0 * enumTime.total!"usecs" / staticTime.total!"usecs";
|
||
// enum is faster or the diff is less < 30%
|
||
assert(ratio < 1.0 || abs(ratio - 1.0) < 0.75,
|
||
"enum regex to static regex ratio "~to!string(ratio));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=14504
|
||
@safe unittest
|
||
{
|
||
auto p = ctRegex!("a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?" ~
|
||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=14529
|
||
@safe unittest
|
||
{
|
||
auto ctPat2 = regex(r"^[CDF]$", "i");
|
||
foreach (v; ["C", "c", "D", "d", "F", "f"])
|
||
assert(matchAll(v, ctPat2).front.hit == v);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=14615
|
||
@safe unittest
|
||
{
|
||
import std.array : appender;
|
||
import std.regex : replaceFirst, replaceFirstInto, regex;
|
||
import std.stdio : writeln;
|
||
|
||
auto example = "Hello, world!";
|
||
auto pattern = regex("^Hello, (bug)"); // won't find this one
|
||
auto result = replaceFirst(example, pattern, "$1 Sponge Bob");
|
||
assert(result == "Hello, world!"); // Ok.
|
||
|
||
auto sink = appender!string;
|
||
replaceFirstInto(sink, example, pattern, "$1 Sponge Bob");
|
||
assert(sink.data == "Hello, world!");
|
||
replaceAllInto(sink, example, pattern, "$1 Sponge Bob");
|
||
assert(sink.data == "Hello, world!Hello, world!");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=15573
|
||
@safe unittest
|
||
{
|
||
auto rx = regex("[c d]", "x");
|
||
assert("a b".matchFirst(rx));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=15864
|
||
@safe unittest
|
||
{
|
||
regex(`(<a (?:(?:\w+=\"[^"]*\")?\s*)*href="\.\.?)"`);
|
||
}
|
||
|
||
@safe unittest
|
||
{
|
||
auto r = regex("(?# comment)abc(?# comment2)");
|
||
assert("abc".matchFirst(r));
|
||
assertThrown(regex("(?#..."));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17075
|
||
@safe unittest
|
||
{
|
||
enum titlePattern = `<title>(.+)</title>`;
|
||
static titleRegex = ctRegex!titlePattern;
|
||
string input = "<title>" ~ "<".repeat(100_000).join;
|
||
assert(input.matchFirst(titleRegex).empty);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17212
|
||
@safe unittest
|
||
{
|
||
auto r = regex(" [a] ", "x");
|
||
assert("a".matchFirst(r));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17157
|
||
@safe unittest
|
||
{
|
||
import std.algorithm.comparison : equal;
|
||
auto ctr = ctRegex!"(a)|(b)|(c)|(d)";
|
||
auto r = regex("(a)|(b)|(c)|(d)", "g");
|
||
auto s = "--a--b--c--d--";
|
||
auto outcomes = [
|
||
["a", "a", "", "", ""],
|
||
["b", "", "b", "", ""],
|
||
["c", "", "", "c", ""],
|
||
["d", "", "", "", "d"]
|
||
];
|
||
assert(equal!equal(s.matchAll(ctr), outcomes));
|
||
assert(equal!equal(s.bmatch(r), outcomes));
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17667
|
||
@safe unittest
|
||
{
|
||
import std.algorithm.searching : canFind;
|
||
void willThrow(T, size_t line = __LINE__)(T arg, string msg)
|
||
{
|
||
auto e = collectException(regex(arg));
|
||
assert(e.msg.canFind(msg), to!string(line) ~ ": " ~ e.msg);
|
||
}
|
||
willThrow([r".", r"[\(\{[\]\}\)]"], "no matching ']' found while parsing character class");
|
||
willThrow([r"[\", r"123"], "no matching ']' found while parsing character class");
|
||
willThrow([r"[a-", r"123"], "no matching ']' found while parsing character class");
|
||
willThrow([r"[a-\", r"123"], "no matching ']' found while parsing character class");
|
||
willThrow([r"\", r"123"], "invalid escape sequence");
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17668
|
||
@safe unittest
|
||
{
|
||
import std.algorithm.searching;
|
||
auto e = collectException!RegexException(regex(q"<[^]>"));
|
||
assert(e.msg.canFind("no operand for '^'"), e.msg);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=17673
|
||
@safe unittest
|
||
{
|
||
string str = `<">`;
|
||
string[] regexps = ["abc", "\"|x"];
|
||
auto regexp = regex(regexps);
|
||
auto c = matchFirst(str, regexp);
|
||
assert(c);
|
||
assert(c.whichPattern == 2);
|
||
}
|
||
|
||
// https://issues.dlang.org/show_bug.cgi?id=18692
|
||
@safe unittest
|
||
{
|
||
auto rx = regex("()()()");
|
||
auto ma = "".matchFirst(rx);
|
||
auto ma2 = ma;
|
||
ma = ma2;
|
||
assert(ma[1] == "");
|
||
}
|