[PATCH 2/9] dwrite/tests: Test GetMetrics with custom fontcollection

[Giovanni Mascellani]

From: Lucian Poston <lucianposton at pm.me>

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
---
 dlls/dwrite/tests/layout.c | 263 +++++++++++++++++++++++++++++++++++++
 1 file changed, 263 insertions(+)

diff --git a/dlls/dwrite/tests/layout.c b/dlls/dwrite/tests/layout.c
index 35d54ae41f0..df2cdb36f1c 100644
--- a/dlls/dwrite/tests/layout.c
+++ b/dlls/dwrite/tests/layout.c
@@ -4538,6 +4538,7 @@ static void test_SetWordWrapping(void)
 /* Collection dedicated to fallback testing */
 
 static const WCHAR g_blahfontW[] = {'B','l','a','h',0};
+static const WCHAR g_fontNotInCollectionW[] = {'n','o','t','B','l','a','h',0};
 static HRESULT WINAPI fontcollection_QI(IDWriteFontCollection *iface, REFIID riid, void **obj)
 {
     if (IsEqualIID(riid, &IID_IDWriteFontCollection) || IsEqualIID(riid, &IID_IUnknown)) {
@@ -4599,6 +4600,9 @@ static HRESULT WINAPI fontcollection_FindFamilyName(IDWriteFontCollection *iface
         *index = 123456;
         *exists = TRUE;
         return S_OK;
+    } else if (!lstrcmpW(name, g_fontNotInCollectionW)) {
+        *exists = FALSE;
+        return S_OK;
     }
     ok(0, "unexpected call, name %s\n", wine_dbgstr_w(name));
     return E_NOTIMPL;
@@ -6424,6 +6428,264 @@ static void test_layout_range_length(void)
     IDWriteTextLayout_Release(layout);
 
     IDWriteTextFormat_Release(format);
+
+    IDWriteFactory_Release(factory);
+}
+
+static void test_GetMetrics_with_custom_fontcollection(void)
+{
+    static const WCHAR emptystringW[] = {0};
+    static const WCHAR mappedW[] = {'a','b','c','d',0};
+    static const WCHAR notmappedW[] = {'a',0xffff,'b',0}; // u+ffff = not a unicode character
+    DWRITE_CLUSTER_METRICS clusters[4];
+    DWRITE_TEXT_METRICS metrics;
+    IDWriteTextFormat *format;
+    IDWriteTextLayout *layout;
+    IDWriteFactory *factory;
+    UINT32 count, i;
+    FLOAT width;
+    HRESULT hr;
+
+    factory = create_factory();
+
+    /* font is in font collection */
+    hr = IDWriteFactory_CreateTextFormat(factory, g_blahfontW, &fallbackcollection,
+            DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL,
+            DWRITE_FONT_STRETCH_NORMAL, 10.0, L"en-us", &format);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    /* text is mapped by fontfallback */
+    hr = IDWriteFactory_CreateTextLayout(factory, mappedW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* text is not mapped by fontfallback */
+    hr = IDWriteFactory_CreateTextLayout(factory, notmappedW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* empty string */
+    hr = IDWriteFactory_CreateTextLayout(factory, emptystringW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* zero-length empty string */
+    hr = IDWriteFactory_CreateTextLayout(factory, emptystringW, 0, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 0, "got %u\n", count);
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    IDWriteTextFormat_Release(format);
+
+    /* font not in font collection */
+    hr = IDWriteFactory_CreateTextFormat(factory, g_fontNotInCollectionW, &fallbackcollection,
+            DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL,
+            DWRITE_FONT_STRETCH_NORMAL, 10.0, L"en-us", &format);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    /* text is mapped by fontfallback */
+    hr = IDWriteFactory_CreateTextLayout(factory, mappedW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+todo_wine {
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+}
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+todo_wine
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+todo_wine
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* text is not mapped by fontfallback */
+    hr = IDWriteFactory_CreateTextLayout(factory, notmappedW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+todo_wine {
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+}
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+todo_wine
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+todo_wine
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* empty string */
+    hr = IDWriteFactory_CreateTextLayout(factory, emptystringW, 4, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+todo_wine {
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 4, "got %u\n", count);
+}
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+todo_wine
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+todo_wine
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+    IDWriteTextLayout_Release(layout);
+
+    /* zero-length empty string */
+    hr = IDWriteFactory_CreateTextLayout(factory, emptystringW, 0, format, 1000.0, 1000.0, &layout);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    count = 9999;
+    hr = IDWriteTextLayout_GetClusterMetrics(layout, clusters, 4, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 0, "got %u\n", count);
+    width = 0.0;
+    if (hr == S_OK)
+        for (i = 0; i < count; i++)
+            width += clusters[i].width;
+    memset(&metrics, 0xcc, sizeof(metrics));
+    hr = IDWriteTextLayout_GetMetrics(layout, &metrics);
+todo_wine {
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(metrics.left == 0.0, "got %.2f\n", metrics.left);
+    ok(metrics.top == 0.0, "got %.2f\n", metrics.top);
+    ok(metrics.width == width, "got %.2f, expected %.2f\n", metrics.width, width);
+    ok(metrics.widthIncludingTrailingWhitespace == width, "got %.2f, expected %.2f\n",
+        metrics.widthIncludingTrailingWhitespace, width);
+    ok(metrics.height > 0.0, "got %.2f\n", metrics.height);
+    ok(metrics.layoutWidth == 1000.0, "got %.2f\n", metrics.layoutWidth);
+    ok(metrics.layoutHeight == 1000.0, "got %.2f\n", metrics.layoutHeight);
+    ok(metrics.maxBidiReorderingDepth == 1, "got %u\n", metrics.maxBidiReorderingDepth);
+    ok(metrics.lineCount == 1, "got %u\n", metrics.lineCount);
+}
+    IDWriteTextLayout_Release(layout);
+
+    IDWriteTextFormat_Release(format);
+
     IDWriteFactory_Release(factory);
 }
 
@@ -6460,6 +6722,7 @@ START_TEST(layout)
     test_SetFontStretch();
     test_SetStrikethrough();
     test_GetMetrics();
+    test_GetMetrics_with_custom_fontcollection();
     test_SetFlowDirection();
     test_SetDrawingEffect();
     test_GetLineMetrics();
-- 
2.30.1