michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "gtest/gtest.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsString.h"
michael@0: #include "nsDependentString.h"
michael@0: 
michael@0: #include "mozilla/Preferences.h"
michael@0: 
michael@0: #include "gfxContext.h"
michael@0: #include "gfxFont.h"
michael@0: #include "gfxPlatform.h"
michael@0: 
michael@0: #include "gfxFontTest.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: enum {
michael@0:     S_UTF8 = 0,
michael@0:     S_ASCII = 1
michael@0: };
michael@0: 
michael@0: class FrameTextRunCache;
michael@0: 
michael@0: struct LiteralArray {
michael@0:     LiteralArray (unsigned long l1) {
michael@0:         data.AppendElement(l1);
michael@0:     }
michael@0:     LiteralArray (unsigned long l1, unsigned long l2) {
michael@0:         data.AppendElement(l1);
michael@0:         data.AppendElement(l2);
michael@0:     }
michael@0:     LiteralArray (unsigned long l1, unsigned long l2, unsigned long l3) {
michael@0:         data.AppendElement(l1);
michael@0:         data.AppendElement(l2);
michael@0:         data.AppendElement(l3);
michael@0:     }
michael@0:     LiteralArray (unsigned long l1, unsigned long l2, unsigned long l3, unsigned long l4) {
michael@0:         data.AppendElement(l1);
michael@0:         data.AppendElement(l2);
michael@0:         data.AppendElement(l3);
michael@0:         data.AppendElement(l4);
michael@0:     }
michael@0:     LiteralArray (unsigned long l1, unsigned long l2, unsigned long l3, unsigned long l4, unsigned long l5) {
michael@0:         data.AppendElement(l1);
michael@0:         data.AppendElement(l2);
michael@0:         data.AppendElement(l3);
michael@0:         data.AppendElement(l4);
michael@0:         data.AppendElement(l5);
michael@0:     }
michael@0: 
michael@0:     LiteralArray (const LiteralArray& other) {
michael@0:         data = other.data;
michael@0:     }
michael@0: 
michael@0:     nsTArray<unsigned long> data;
michael@0: };
michael@0: 
michael@0: #define GLYPHS LiteralArray
michael@0: 
michael@0: struct TestEntry {
michael@0:     TestEntry (const char *aUTF8FamilyString,
michael@0:                const gfxFontStyle& aFontStyle,
michael@0:                const char *aString)
michael@0:         : utf8FamilyString(aUTF8FamilyString),
michael@0:           fontStyle(aFontStyle),
michael@0:           stringType(S_ASCII),
michael@0:           string(aString),
michael@0:           isRTL(false)
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     TestEntry (const char *aUTF8FamilyString,
michael@0:                const gfxFontStyle& aFontStyle,
michael@0:                int stringType,
michael@0:                const char *aString)
michael@0:         : utf8FamilyString(aUTF8FamilyString),
michael@0:           fontStyle(aFontStyle),
michael@0:           stringType(stringType),
michael@0:           string(aString),
michael@0:           isRTL(false)
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     struct ExpectItem {
michael@0:         ExpectItem(const nsCString& aFontName,
michael@0:                    const LiteralArray& aGlyphs)
michael@0:             : fontName(aFontName), glyphs(aGlyphs)
michael@0:         { }
michael@0: 
michael@0:         bool Compare(const nsCString& aFontName,
michael@0:                        cairo_glyph_t *aGlyphs,
michael@0:                        int num_glyphs)
michael@0:         {
michael@0:             // bit that allowed for empty fontname to match all is commented
michael@0:             // out
michael@0:             if (/*!fontName.IsEmpty() &&*/ !fontName.Equals(aFontName))
michael@0:                 return false;
michael@0: 
michael@0:             if (num_glyphs != int(glyphs.data.Length()))
michael@0:                 return false;
michael@0: 
michael@0:             for (int j = 0; j < num_glyphs; j++) {
michael@0:                 if (glyphs.data[j] != aGlyphs[j].index)
michael@0:                 return false;
michael@0:             }
michael@0: 
michael@0:             return true;
michael@0:         }
michael@0: 
michael@0:         nsCString fontName;
michael@0:         LiteralArray glyphs;
michael@0:     };
michael@0: 
michael@0:     void SetRTL()
michael@0:     {
michael@0:         isRTL = true;
michael@0:     }
michael@0: 
michael@0:     // Empty/nullptr fontName means ignore font name
michael@0:     void Expect (const char *platform,
michael@0:                  const char *fontName,
michael@0:                  const LiteralArray& glyphs)
michael@0:     {
michael@0:         if (fontName)
michael@0:             Expect (platform, nsDependentCString(fontName), glyphs);
michael@0:         else
michael@0:             Expect (platform, nsCString(), glyphs);
michael@0:     }
michael@0: 
michael@0:     void Expect (const char *platform,
michael@0:                  const nsCString& fontName,
michael@0:                  const LiteralArray& glyphs)
michael@0:     {
michael@0: #if defined(XP_WIN)
michael@0:         if (strcmp(platform, "win32"))
michael@0:             return;
michael@0: #elif defined(XP_MACOSX)
michael@0:         if (strcmp(platform, "macosx"))
michael@0:             return;
michael@0: #elif defined(XP_UNIX)
michael@0:         if (strcmp(platform, "gtk2-pango"))
michael@0:             return;
michael@0: #else
michael@0:         return;
michael@0: #endif
michael@0: 
michael@0:         expectItems.AppendElement(ExpectItem(fontName, glyphs));
michael@0:     }
michael@0: 
michael@0:     bool Check (gfxFontTestStore *store) {
michael@0:         if (expectItems.Length() == 0 ||
michael@0:             store->items.Length() != expectItems.Length())
michael@0:         {
michael@0:             return false;
michael@0:         }
michael@0: 
michael@0:         for (uint32_t i = 0; i < expectItems.Length(); i++) {
michael@0:             if (!expectItems[i].Compare(store->items[i].platformFont,
michael@0:                                         store->items[i].glyphs,
michael@0:                                         store->items[i].num_glyphs))
michael@0:                 return false;
michael@0:         }
michael@0: 
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     const char *utf8FamilyString;
michael@0:     gfxFontStyle fontStyle;
michael@0: 
michael@0:     int stringType;
michael@0:     const char *string;
michael@0:     bool isRTL;
michael@0: 
michael@0:     nsTArray<ExpectItem> expectItems;
michael@0: };
michael@0: 
michael@0: static already_AddRefed<gfxContext>
michael@0: MakeContext ()
michael@0: {
michael@0:     const int size = 200;
michael@0: 
michael@0:     nsRefPtr<gfxASurface> surface;
michael@0: 
michael@0:     surface = gfxPlatform::GetPlatform()->
michael@0:         CreateOffscreenSurface(IntSize(size, size),
michael@0:                                gfxASurface::ContentFromFormat(gfxImageFormat::RGB24));
michael@0:     nsRefPtr<gfxContext> ctx = new gfxContext(surface);
michael@0:     return ctx.forget();
michael@0: }
michael@0: 
michael@0: TestEntry*
michael@0: AddTest (nsTArray<TestEntry>& testList,
michael@0:          const char *utf8FamilyString,
michael@0:          const gfxFontStyle& fontStyle,
michael@0:          int stringType,
michael@0:          const char *string)
michael@0: {
michael@0:     TestEntry te (utf8FamilyString,
michael@0:                   fontStyle,
michael@0:                   stringType,
michael@0:                   string);
michael@0: 
michael@0:     testList.AppendElement(te);
michael@0: 
michael@0:     return &(testList[testList.Length()-1]);
michael@0: }
michael@0: 
michael@0: void
michael@0: DumpStore (gfxFontTestStore *store) {
michael@0:     if (store->items.Length() == 0) {
michael@0:         printf ("(empty)\n");
michael@0:     }
michael@0: 
michael@0:     for (uint32_t i = 0;
michael@0:          i < store->items.Length();
michael@0:          i++)
michael@0:     {
michael@0:         printf ("Run[% 2d]: '%s' ", i, store->items[i].platformFont.BeginReading());
michael@0: 
michael@0:         for (int j = 0; j < store->items[i].num_glyphs; j++)
michael@0:             printf ("%d ", int(store->items[i].glyphs[j].index));
michael@0: 
michael@0:         printf ("\n");
michael@0:     }
michael@0: }
michael@0: 
michael@0: void
michael@0: DumpTestExpect (TestEntry *test) {
michael@0:     for (uint32_t i = 0; i < test->expectItems.Length(); i++) {
michael@0:         printf ("Run[% 2d]: '%s' ", i, test->expectItems[i].fontName.BeginReading());
michael@0:         for (uint32_t j = 0; j < test->expectItems[i].glyphs.data.Length(); j++)
michael@0:             printf ("%d ", int(test->expectItems[i].glyphs.data[j]));
michael@0: 
michael@0:         printf ("\n");
michael@0:     }
michael@0: }
michael@0: 
michael@0: void SetupTests(nsTArray<TestEntry>& testList);
michael@0: 
michael@0: static bool
michael@0: RunTest (TestEntry *test, gfxContext *ctx) {
michael@0:     nsRefPtr<gfxFontGroup> fontGroup;
michael@0: 
michael@0:     fontGroup = gfxPlatform::GetPlatform()->CreateFontGroup(NS_ConvertUTF8toUTF16(test->utf8FamilyString), &test->fontStyle, nullptr);
michael@0: 
michael@0:     nsAutoPtr<gfxTextRun> textRun;
michael@0:     gfxTextRunFactory::Parameters params = {
michael@0:       ctx, nullptr, nullptr, nullptr, 0, 60
michael@0:     };
michael@0:     uint32_t flags = gfxTextRunFactory::TEXT_IS_PERSISTENT;
michael@0:     if (test->isRTL) {
michael@0:         flags |= gfxTextRunFactory::TEXT_IS_RTL;
michael@0:     }
michael@0:     uint32_t length;
michael@0:     if (test->stringType == S_ASCII) {
michael@0:         flags |= gfxTextRunFactory::TEXT_IS_ASCII | gfxTextRunFactory::TEXT_IS_8BIT;
michael@0:         length = strlen(test->string);
michael@0:         textRun = fontGroup->MakeTextRun(reinterpret_cast<const uint8_t*>(test->string), length, &params, flags);
michael@0:     } else {
michael@0:         NS_ConvertUTF8toUTF16 str(nsDependentCString(test->string));
michael@0:         length = str.Length();
michael@0:         textRun = fontGroup->MakeTextRun(str.get(), length, &params, flags);
michael@0:     }
michael@0: 
michael@0:     gfxFontTestStore::NewStore();
michael@0:     textRun->Draw(ctx, gfxPoint(0,0), DrawMode::GLYPH_FILL, 0, length, nullptr, nullptr, nullptr);
michael@0:     gfxFontTestStore *s = gfxFontTestStore::CurrentStore();
michael@0: 
michael@0:     if (!test->Check(s)) {
michael@0:         DumpStore(s);
michael@0:         printf ("  expected:\n");
michael@0:         DumpTestExpect(test);
michael@0:         gfxFontTestStore::DeleteStore();
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     gfxFontTestStore::DeleteStore();
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: TEST(Gfx, FontSelection) {
michael@0:     int passed = 0;
michael@0:     int failed = 0;
michael@0: 
michael@0:     // set up the tests
michael@0:     nsTArray<TestEntry> testList;
michael@0:     SetupTests(testList);
michael@0: 
michael@0:     nsRefPtr<gfxContext> context = MakeContext();
michael@0: 
michael@0:     for (uint32_t test = 0;
michael@0:          test < testList.Length();
michael@0:          test++)
michael@0:     {
michael@0:         bool result = RunTest (&testList[test], context);
michael@0:         if (result) {
michael@0:             passed++;
michael@0:         } else {
michael@0:             printf ("Test %d failed\n", test);
michael@0:             failed++;
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: // The tests themselves
michael@0: 
michael@0: #include "gfxFontSelectionTests.h"