blob: 6773c1b8ca0f458088cc08f7553cb0da5a8e5681 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#if defined(SK_XML)
#include "SkPEG.h"
using namespace skpeg;
namespace {
struct Alpha {
using V = char;
using MatchT = MatchResult<V>;
static MatchT Match(const char* in) {
static constexpr unsigned kAlphaRange = 'z' - 'a';
return static_cast<unsigned>(*in - 'a') <= kAlphaRange
|| static_cast<unsigned>(*in - 'A') <= kAlphaRange
? MatchT(in + 1, *in)
: nullptr;
}
};
struct Digit {
using V = uint8_t;
using MatchT = MatchResult<V>;
static MatchT Match(const char* in) {
static constexpr unsigned kDigitRange = '9' - '0';
return static_cast<unsigned>(*in - '0') <= kDigitRange
? MatchT(in + 1, SkTo<uint8_t>(*in - '0'))
: nullptr;
}
};
void test_EOS(skiatest::Reporter* r) {
static const struct {
const char* fInput;
bool fMatch;
} gTests[] = {
{ "" , true },
{ " " , false },
{ "\0" , true },
{ "foo", false },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto match = EOS::Match(gTests[i].fInput);
REPORTER_ASSERT(r, match == gTests[i].fMatch);
REPORTER_ASSERT(r, match.fNext == (match ? gTests[i].fInput : nullptr));
}
}
void test_LIT(skiatest::Reporter* r) {
static const struct {
const char* fInput;
bool fMatch;
} gTests[] = {
{ "" , false },
{ " " , false },
{ "x" , false },
{ "X" , true },
{ "xX", false },
{ "Xx", true },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto match = LIT<'X'>::Match(gTests[i].fInput);
REPORTER_ASSERT(r, match == gTests[i].fMatch);
REPORTER_ASSERT(r, match.fNext == (match ? gTests[i].fInput + 1 : nullptr));
}
REPORTER_ASSERT(r, !(LIT<'F', 'o', 'o'>::Match("")));
REPORTER_ASSERT(r, !(LIT<'F', 'o', 'o'>::Match("Fo")));
REPORTER_ASSERT(r, !(LIT<'F', 'o', 'o'>::Match("FoO")));
REPORTER_ASSERT(r, (LIT<'F', 'o', 'o'>::Match("Foo")));
REPORTER_ASSERT(r, (LIT<'F', 'o', 'o'>::Match("Foobar")));
}
void test_Alpha(skiatest::Reporter* r) {
static const struct {
const char* fInput;
bool fMatch;
char fMatchValue;
} gTests[] = {
{ "" , false, 0 },
{ "\r", false, 0 },
{ "\n", false, 0 },
{ "\t", false, 0 },
{ "0" , false, 0 },
{ "9" , false, 0 },
{ "a" , true , 'a' },
{ "a" , true , 'a' },
{ "z" , true , 'z' },
{ "A" , true , 'A' },
{ "Z" , true , 'Z' },
{ "az", true , 'a' },
{ "a0", true , 'a' },
{ "0a", false, 0 },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto match = Alpha::Match(gTests[i].fInput);
REPORTER_ASSERT(r, match == gTests[i].fMatch);
REPORTER_ASSERT(r, match.fNext == (match ? gTests[i].fInput + 1 : nullptr));
if (match) {
REPORTER_ASSERT(r, *match == gTests[i].fMatchValue);
}
}
}
void test_Digit(skiatest::Reporter* r) {
static const struct {
const char* fInput;
bool fMatch;
uint8_t fMatchValue;
} gTests[] = {
{ "" , false, 0 },
{ "/" , false, 0 },
{ ":" , false, 0 },
{ "x" , false, 0 },
{ "x0" , false, 0 },
{ "0" , true , 0 },
{ "1x" , true , 1 },
{ "9 a", true , 9 },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto match = Digit::Match(gTests[i].fInput);
REPORTER_ASSERT(r, match == gTests[i].fMatch);
REPORTER_ASSERT(r, match.fNext == (match ? gTests[i].fInput + 1 : nullptr));
if (match) {
REPORTER_ASSERT(r, *match == gTests[i].fMatchValue);
}
}
}
void test_Opt(skiatest::Reporter* r) {
static const struct {
const char* fInput;
bool fMatch;
} gTests[] = {
{ "" , false },
{ "fo" , false },
{ " foo" , false },
{ "foo" , true },
{ "foobar" , true },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto m = Opt<LIT<'f', 'o', 'o'>>::Match(gTests[i].fInput);
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, m->fValue.isValid() == gTests[i].fMatch);
}
}
void test_Seq(skiatest::Reporter* r) {
REPORTER_ASSERT(r, (Seq<LIT<'X'>, EOS>::Match("X")));
REPORTER_ASSERT(r, !(Seq<LIT<'X'>, EOS>::Match("x")));
REPORTER_ASSERT(r, !(Seq<LIT<'X'>, EOS>::Match("xX")));
REPORTER_ASSERT(r, !(Seq<LIT<'X'>, EOS>::Match("XX")));
REPORTER_ASSERT(r, (Seq<LIT<'X'>, Seq<LIT<'X'>, EOS>>::Match("XX")));
REPORTER_ASSERT(r, (Seq<LIT<'X'>, Seq<LIT<'X'>, EOS>>::Match("XX")));
REPORTER_ASSERT(r, !(Seq<LIT<'F', 'o', 'o'>, EOS>::Match("FooBar")));
REPORTER_ASSERT(r, (Seq<LIT<'F', 'o', 'o'>, EOS>::Match("Foo")));
{
const auto m = Seq<LIT<'x'>, Digit>::Match("x5");
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, m->get<1>() == 5);
}
{
const auto m = Seq<Digit, Digit>::Match("42");
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, m->get<0>() == 4);
REPORTER_ASSERT(r, m->get<1>() == 2);
}
}
void test_Choice(skiatest::Reporter* r) {
REPORTER_ASSERT(r, !(Choice<Digit,Alpha>::Match("")));
REPORTER_ASSERT(r, !(Choice<Digit,Alpha>::Match("\t")));
REPORTER_ASSERT(r, !(Choice<Digit,Alpha>::Match(" ")));
REPORTER_ASSERT(r, (Choice<Digit,Alpha>::Match("a")));
REPORTER_ASSERT(r, (Choice<Digit,Alpha>::Match("3")));
REPORTER_ASSERT(r, (Choice<Digit,Alpha>::Match("a ")));
REPORTER_ASSERT(r, (Choice<Digit,Alpha>::Match("3 ")));
REPORTER_ASSERT(r, !(Choice<Digit,Alpha>::Match(" a ")));
REPORTER_ASSERT(r, !(Choice<Digit,Alpha>::Match(" 3 ")));
{
const auto m = Choice<Alpha, Digit>::Match("x");
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, m->v1.isValid());
REPORTER_ASSERT(r, !m->v2.isValid());
REPORTER_ASSERT(r, *m->v1.get() == 'x');
}
{
const auto m = Choice<Alpha, Digit>::Match("7");
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, !m->v1.isValid());
REPORTER_ASSERT(r, m->v2.isValid());
REPORTER_ASSERT(r, *m->v2.get() == 7);
}
}
void test_AnySome(skiatest::Reporter* r) {
static const struct {
const char* fInput;
int fCount;
} gTests[] = {
{ "" , 0 },
{ "fo" , 0 },
{ "Foo" , 0 },
{ "foo" , 1 },
{ "foofoo", 2 },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTests); ++i) {
const auto matchAny = Any<LIT<'f', 'o', 'o'>>::Match(gTests[i].fInput);
REPORTER_ASSERT(r, matchAny);
REPORTER_ASSERT(r, matchAny->fValues.count() == gTests[i].fCount);
const auto matchSome = Some<LIT<'f', 'o', 'o'>>::Match(gTests[i].fInput);
REPORTER_ASSERT(r, matchSome == (gTests[i].fCount > 0));
REPORTER_ASSERT(r, !matchSome ||
matchSome->get<1>().fValues.count() == gTests[i].fCount - 1);
}
{
const auto m = Any<Digit>::Match("0123456789foo");
REPORTER_ASSERT(r, m);
REPORTER_ASSERT(r, m->fValues.count() == 10);
for (int i = 0; i < m->fValues.count(); ++i) {
REPORTER_ASSERT(r, m->fValues[i] == i);
}
}
}
void test_Complex(skiatest::Reporter* r) {
// [0-9]+(,[0-9]+)?$
using P0 =
Seq<
Some<Digit>,
Opt<Seq<
LIT<','>,
Some<Digit>>>,
EOS>;
REPORTER_ASSERT(r, !P0::Match(""));
REPORTER_ASSERT(r, !P0::Match(","));
REPORTER_ASSERT(r, !P0::Match("1,"));
REPORTER_ASSERT(r, !P0::Match(",1"));
REPORTER_ASSERT(r, P0::Match("1"));
REPORTER_ASSERT(r, P0::Match("1,2"));
REPORTER_ASSERT(r, !P0::Match("1,2 "));
REPORTER_ASSERT(r, P0::Match("123,456"));
// [ ]*[Ff]oo([Bb]ar)+[Bb]az[ ]*$
using P1 =
Seq<
Any<LIT<' '>>,
Choice<LIT<'F'>, LIT<'f'>>,
LIT<'o', 'o'>,
Some<Seq<
Choice<LIT<'B'>, LIT<'b'>>,
LIT<'a', 'r'>>>,
Choice<LIT<'B'>, LIT<'b'>>,
LIT<'a', 'z'>,
Any<LIT<' '>>,
EOS>;
REPORTER_ASSERT(r, !P1::Match(""));
REPORTER_ASSERT(r, !P1::Match("FooBar"));
REPORTER_ASSERT(r, !P1::Match("FooBaz"));
REPORTER_ASSERT(r, P1::Match("FooBarBaz"));
REPORTER_ASSERT(r, P1::Match("foobarbaz"));
REPORTER_ASSERT(r, P1::Match(" FooBarbaz "));
REPORTER_ASSERT(r, P1::Match(" FooBarbarbarBaz "));
}
} // anonymous ns
DEF_TEST(SkPEG, r) {
test_EOS(r);
test_LIT(r);
test_Alpha(r);
test_Digit(r);
test_Opt(r);
test_Seq(r);
test_Choice(r);
test_AnySome(r);
test_Complex(r);
}
#endif // SK_XML