xmltesttools: add assertXPathDoubleValue that takes a double with delta

and use it to make WmfTest::testSetTextAlignWmf independent of DPI

Change-Id: I2048239088a8dcc3e3ab1db96413894b5bcc56d6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157377
Tested-by: Jenkins
Tested-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/test/xmltesttools.hxx b/include/test/xmltesttools.hxx
index 09f06af5eb0d..d18b5d51e813 100644
--- a/include/test/xmltesttools.hxx
+++ b/include/test/xmltesttools.hxx
@@ -73,6 +73,14 @@ protected:
                               const OUString& rExpectedValue);
     void          assertXPathAttrs(const xmlDocUniquePtr& pXmlDoc, const OString& rXPath,
                           const std::vector<std::pair<OString, OUString>>& aPairVector);
+
+    /**
+     * Given a double for the rExpected value, assert that rXPath exists, returns exactly one node,
+     * and the rXPath's attribute's value matches the rExpected value within tolerance provided
+     * by delta. This is used to account for HiDPI scaling.
+     */
+    void          assertXPathDoubleValue(const xmlDocUniquePtr& pXmlDoc, const OString& rXPath, const OString& rAttribute,
+                              double expectedValue, double delta);
     /**
      * Assert that rXPath exists, and returns exactly nNumberOfNodes nodes (1 by default).
      * Also useful for checking that we do _not_ export some node (nNumberOfNodes == 0).