ParsePathTest.cpp File Reference

#include "include/core/SkPath.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkString.h"
#include "include/utils/SkParsePath.h"
#include "tests/Test.h"
#include <array>
#include <cstddef>

Go to the source code of this file.

Functions
static void	test_to_from (skiatest::Reporter *reporter, const SkPath &path)
	DEF_TEST (ParsePath, reporter)
static void	testInvalidPath (skiatest::Reporter *reporter, const std::string &name, const std::string &input)
	DEF_TEST (ParsePath_InvalidDoesNotCrash, r)
	DEF_TEST (ParsePathOptionalCommand, r)
	DEF_TEST (ParsePathArcFlags, r)

Variables
struct {
const char *   fStr
const SkRect   fBounds
}	gRec []

Function Documentation

DEF_TEST() [1/4]

DEF_TEST	(	ParsePath	,
		reporter
	)

Definition at line 50 of file ParsePathTest.cpp.

                              {
    for (size_t i = 0; i < std::size(gRec); i++) {
        SkPath  path;
        bool success = SkParsePath::FromSVGString(gRec[i].fStr, &path);
        REPORTER_ASSERT(reporter, success);
        const SkRect& expectedBounds = gRec[i].fBounds;
        const SkRect& pathBounds = path.getBounds();
        REPORTER_ASSERT(reporter, expectedBounds == pathBounds);
 
        test_to_from(reporter, path);
    }
 
    SkRect r;
    r.setLTRB(0, 0, 10, 10.5f);
    SkPath p;
    p.addRect(r);
    test_to_from(reporter, p);
    p.addOval(r);
    test_to_from(reporter, p);
    p.addRoundRect(r, 4, 4.5f);
    test_to_from(reporter, p);
}

DEF_TEST() [2/4]

DEF_TEST	(	ParsePath_InvalidDoesNotCrash	,
		r
	)

Definition at line 83 of file ParsePathTest.cpp.

                                           {
    testInvalidPath(r, "empty move", "M");
    testInvalidPath(r, "partial move", "M 5");
    testInvalidPath(r, "partial vertical line", "V"); // oss-fuzz:68723
    testInvalidPath(r, "partial horizontal line", "H");
    testInvalidPath(r, "partial cubic", "C 1 2");
    testInvalidPath(r, "partial continued cubic", "S 6 7");
    testInvalidPath(r, "partial quad", "Q 3 4 5");
    testInvalidPath(r, "partial continued quad", "T");
    testInvalidPath(r, "partial arc", "A 1 2 3 4 5 6");
    testInvalidPath(r, "partial ~", "~ 7 6 5");
}

DEF_TEST() [3/4]

DEF_TEST	(	ParsePathArcFlags	,
		r
	)

Definition at line 136 of file ParsePathTest.cpp.

                               {
    const char* arcs = "M10 10a2.143 2.143 0 100-4.285 2.143 2.143 0 000 4.286";
    SkPath path;
    REPORTER_ASSERT(r, SkParsePath::FromSVGString(arcs, &path));
    // Arcs decompose to two conics.
    REPORTER_ASSERT(r, path.countVerbs() == 5);
    // One for move, 2x per conic.
    REPORTER_ASSERT(r, path.countPoints() == 9);
}

DEF_TEST() [4/4]

DEF_TEST	(	ParsePathOptionalCommand	,
		r
	)

Definition at line 96 of file ParsePathTest.cpp.

                                      {
    struct {
        const char* fStr;
        int         fVerbs;
        int         fPoints;
    } gTests[] = {
        { "", 0, 0 },
 
        { "H100 200 ", 3, 3 },
        { "H-100-200", 3, 3 },
        { "H+100+200", 3, 3 },
        { "H.10.20"  , 3, 3 },
        { "H-.10-.20", 3, 3 },
        { "H+.10+.20", 3, 3 },
 
        { "L100 100 200 200" , 3, 3 },
        { "L-100-100-200-200", 3, 3 },
        { "L+100+100+200+200", 3, 3 },
        { "L.10.10.20.20"    , 3, 3 },
        { "L-.10-.10-.20-.20", 3, 3 },
        { "L+.10+.10+.20+.20", 3, 3 },
 
        { "C100 100 200 200 300 300 400 400 500 500 600 600" , 3, 7 },
        { "C100-100-200-200-300-300-400-400-500-500-600-600" , 3, 7 },
        { "C100+100+200+200+300+300+400+400+500+500+600+600" , 3, 7 },
        { "C.10.10.20.20.30.30.40.40.50.50.60.60"            , 3, 7 },
        { "C-.10-.10-.20-.20-.30-.30-.40-.40-.50-.50-.60-.60", 3, 7 },
        { "C+.10+.10+.20+.20+.30+.30+.40+.40+.50+.50+.60+.60", 3, 7 },
 
        { "c-1.49.71-2.12 2.5-1.4 4 .71 1.49 2.5 2.12 4 1.4z", 4, 7 },
    };
 
    SkPath path;
    for (size_t i = 0; i < std::size(gTests); ++i) {
        REPORTER_ASSERT(r, SkParsePath::FromSVGString(gTests[i].fStr, &path));
        REPORTER_ASSERT(r, path.countVerbs() == gTests[i].fVerbs);
        REPORTER_ASSERT(r, path.countPoints() == gTests[i].fPoints);
    }
}

test_to_from()

static void test_to_from ( skiatest::Reporter *  reporter, const SkPath &  path  )

static

Definition at line 18 of file ParsePathTest.cpp.

                                                                         {
    SkString str = SkParsePath::ToSVGString(path);
 
    SkPath path2;
    bool success = SkParsePath::FromSVGString(str.c_str(), &path2);
    REPORTER_ASSERT(reporter, success);
 
    SkString str2 = SkParsePath::ToSVGString(path2);
    REPORTER_ASSERT(reporter, str == str2);
#if 0 // closed paths are not equal, the iter explicitly gives the closing
      // edge, even if it is not in the path.
    REPORTER_ASSERT(reporter, path == path2);
    if (path != path2) {
        SkDebugf("str1=%s\nstr2=%s\n", str.c_str(), str2.c_str());
    }
#endif
}

testInvalidPath()

static void testInvalidPath ( skiatest::Reporter *  reporter, const std::string &  name, const std::string &  input  )

static

Definition at line 73 of file ParsePathTest.cpp.

                                                    {
    skiatest::ReporterContext subtest(reporter, name);
    SkPath path;
    bool success = SkParsePath::FromSVGString(input.c_str(), &path);
    REPORTER_ASSERT(reporter, !success);
    // We should not modify the input path on a failure.
    REPORTER_ASSERT(reporter, path.isEmpty());
}

Variable Documentation

fBounds

const SkRect fBounds

Definition at line 38 of file ParsePathTest.cpp.

fStr

const char* fStr

Definition at line 37 of file ParsePathTest.cpp.

struct { ... } gRec[]

Initial value:

= {
    { "M1,1 l-2.58-2.828-3.82-0.113, 1.9-3.3223-1.08-3.6702, 3.75,0.7744,3.16-2.1551,"
       "0.42,3.8008,3.02,2.3384-3.48,1.574-1.29,3.601z",
        { -5.39999962f, -10.3142f, 5.77000046f, 1.f } },
    { "", { 0, 0, 0, 0 } },
    { "M0,0L10,10", { 0, 0, SkIntToScalar(10), SkIntToScalar(10) } },
    { "M-5.5,-0.5 Q 0 0 6,6.50",
        { -5.5f, -0.5f,
          6, 6.5f } }
}