mshtml: Implement IHTMLStyle put_fontStyle.

dlls/mshtml/htmlstyle.c

@@ -133,6 +133,8 @@ static const WCHAR valLineThrough[] =
     {'l','i','n','e','-','t','h','r','o','u','g','h',0};
 static const WCHAR valUnderline[] =
     {'u','n','d','e','r','l','i','n','e',0};
+static const WCHAR szNormal[] =
+    {'n','o','r','m','a','l',0};
 
 static const WCHAR px_formatW[] = {'%','d','p','x',0};
 static const WCHAR emptyW[] = {0};
@@ -515,8 +517,19 @@ static HRESULT WINAPI HTMLStyle_get_fontFamily(IHTMLStyle *iface, BSTR *p)
 static HRESULT WINAPI HTMLStyle_put_fontStyle(IHTMLStyle *iface, BSTR v)
 {
     HTMLStyle *This = HTMLSTYLE_THIS(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
-    return E_NOTIMPL;
+    static const WCHAR szItalic[]  = {'i','t','a','l','i','c',0};
+    static const WCHAR szOblique[]  = {'o','b','l','i','q','u','e',0};
+
+    TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+
+    /* fontStyle can only be one of the follow values. */
+    if(!v || strcmpiW(szNormal, v) == 0 || strcmpiW(szItalic, v) == 0 ||
+             strcmpiW(szOblique, v) == 0)
+    {
+        return set_nsstyle_attr(This->nsstyle, STYLEID_FONT_STYLE, v, 0);
+    }
+
+    return E_INVALIDARG;
 }
 
 static HRESULT WINAPI HTMLStyle_get_fontStyle(IHTMLStyle *iface, BSTR *p)

dlls/mshtml/tests/dom.c

@@ -2294,6 +2294,7 @@ static void test_default_style(IHTMLStyle *style)
     HRESULT hres;
     float f;
     BSTR sOverflowDefault;
+    BSTR sDefault;
 
     test_disp((IUnknown*)style, &DIID_DispHTMLStyle);
     test_ifaces((IUnknown*)style, style_iids);
@@ -2636,6 +2637,33 @@ static void test_default_style(IHTMLStyle *style)
     ok(V_I4(&v) == 1, "V_I4(v) = %d\n", V_I4(&v));
     VariantClear(&v);
 
+    /* fontStyle */
+    hres = IHTMLStyle_get_fontStyle(style, &sDefault);
+    ok(hres == S_OK, "get_fontStyle failed: %08x\n", hres);
+
+    str = a2bstr("test");
+    hres = IHTMLStyle_put_fontStyle(style, str);
+    ok(hres == E_INVALIDARG, "put_fontStyle failed: %08x\n", hres);
+    SysFreeString(str);
+
+    str = a2bstr("italic");
+    hres = IHTMLStyle_put_fontStyle(style, str);
+    ok(hres == S_OK, "put_fontStyle failed: %08x\n", hres);
+    SysFreeString(str);
+
+    str = a2bstr("oblique");
+    hres = IHTMLStyle_put_fontStyle(style, str);
+    ok(hres == S_OK, "put_fontStyle failed: %08x\n", hres);
+    SysFreeString(str);
+
+    str = a2bstr("normal");
+    hres = IHTMLStyle_put_fontStyle(style, str);
+    ok(hres == S_OK, "put_fontStyle failed: %08x\n", hres);
+    SysFreeString(str);
+
+    hres = IHTMLStyle_put_fontStyle(style, sDefault);
+    ok(hres == S_OK, "get_fontStyle failed: %08x\n", hres);
+
     /* overflow */
     hres = IHTMLStyle_get_overflow(style, NULL);
     ok(hres == E_INVALIDARG, "get_overflow failed: %08x\n", hres);