starmath: Simplify code parsing nospace

This also comes with its unit test.

Change-Id: I1478bf48c5522691978e3534c9c8a9c0ddfc1e59
Reviewed-on: https://gerrit.libreoffice.org/35985
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Takeshi Abe <tabe@fixedpoint.jp>

1 files changed, 31 insertions, 0 deletions

diff --git a/starmath/qa/cppunit/test_parse.cxx b/starmath/qa/cppunit/test_parse.cxx
index 80da700be4cc..4e7198e5db0e 100644
--- a/starmath/qa/cppunit/test_parse.cxx
+++ b/starmath/qa/cppunit/test_parse.cxx
@@ -33,9 +33,11 @@ public:
 
 private:
     void testMinus();
+    void testNospace();
 
     CPPUNIT_TEST_SUITE(ParseTest);
     CPPUNIT_TEST(testMinus);
+    CPPUNIT_TEST(testNospace);
     CPPUNIT_TEST_SUITE_END();
 
     SmDocShellRef mxDocShell;
@@ -90,6 +92,35 @@ void ParseTest::testMinus()
                          static_cast<const SmTextNode *>(pNode001)->GetToken().aText);
 }
 
+/*
+ * This shows that "nospace" turns off the expression's IsUseExtraSpaces(),
+ * but leaves its decendants' flag on.
+ */
+void ParseTest::testNospace()
+{
+    std::unique_ptr<SmTableNode> pNode(SmParser().Parse("nospace{ nitalic d {F(x) G(x)} }"));
+    CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), pNode->GetNumSubNodes());
+    const SmNode *pNode0 = pNode->GetSubNode(0);
+    CPPUNIT_ASSERT(pNode0);
+    CPPUNIT_ASSERT_EQUAL(NLINE, pNode0->GetType());
+    CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), pNode0->GetNumSubNodes());
+    const SmNode *pNode00 = pNode0->GetSubNode(0);
+    CPPUNIT_ASSERT(pNode00);
+    CPPUNIT_ASSERT_EQUAL(NEXPRESSION, pNode00->GetType());
+    CPPUNIT_ASSERT(!static_cast<const SmExpressionNode *>(pNode00)->IsUseExtraSpaces());
+    CPPUNIT_ASSERT_EQUAL(sal_uInt16(2), pNode00->GetNumSubNodes());
+    const SmNode *pNode000 = pNode00->GetSubNode(0);
+    CPPUNIT_ASSERT(pNode000);
+    CPPUNIT_ASSERT_EQUAL(NFONT, pNode000->GetType());
+    CPPUNIT_ASSERT_EQUAL(OUString("nitalic"),
+                         static_cast<const SmFontNode *>(pNode000)->GetToken().aText);
+    const SmNode *pNode001 = pNode00->GetSubNode(1);
+    CPPUNIT_ASSERT(pNode001);
+    CPPUNIT_ASSERT_EQUAL(NEXPRESSION, pNode001->GetType());
+    CPPUNIT_ASSERT(static_cast<const SmExpressionNode *>(pNode001)->IsUseExtraSpaces());
+    CPPUNIT_ASSERT_EQUAL(sal_uInt16(2), pNode00->GetNumSubNodes());
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(ParseTest);
 
 }