From c89dcbbb37278bb80ad755c747394471ed736d34 Mon Sep 17 00:00:00 2001
From: Thomas Holder <thomas@thomas-holder.de>
Date: Sun, 17 Nov 2019 20:01:01 +0100
Subject: tests for {SVG,CSS}OStringStreamTest

---
 testfiles/src/svg-stringstream-test.cpp | 156 ++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 testfiles/src/svg-stringstream-test.cpp

(limited to 'testfiles/src/svg-stringstream-test.cpp')

diff --git a/testfiles/src/svg-stringstream-test.cpp b/testfiles/src/svg-stringstream-test.cpp
new file mode 100644
index 000000000..636b01857
--- /dev/null
+++ b/testfiles/src/svg-stringstream-test.cpp
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Test CSSOStringStream and SVGOStringStream
+ */
+/*
+ * Authors:
+ *   Thomas Holder
+ *
+ * Copyright (C) 2019 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "2geom/point.h"
+#include "svg/css-ostringstream.h"
+#include "svg/stringstream.h"
+
+#include "gtest/gtest.h"
+#include <glibmm/ustring.h>
+
+template <typename S, typename T>
+static void assert_tostring_eq(T value, const char *expected)
+{
+    S os;
+
+    // default of /options/svgoutput/numericprecision
+    os.precision(8);
+
+    os << value;
+    ASSERT_EQ(os.str(), expected);
+}
+
+#define TEST_STRING "Hello & <World>"
+
+template <typename S>
+void test_tostring()
+{
+    assert_tostring_eq<S, char>('A', "A");
+    assert_tostring_eq<S, signed char>('A', "A");
+    assert_tostring_eq<S, unsigned char>('A', "A");
+
+    assert_tostring_eq<S, short>(0x7FFF, "32767");
+    assert_tostring_eq<S, short>(-30000, "-30000");
+    assert_tostring_eq<S, unsigned short>(0xFFFFu, "65535");
+    assert_tostring_eq<S, int>(0x7FFFFFFF, "2147483647");
+    assert_tostring_eq<S, int>(-2000000000, "-2000000000");
+    assert_tostring_eq<S, unsigned int>(0xFFFFFFFFu, "4294967295");
+
+    // long is 32bit on Windows, 64bit on Linux
+    assert_tostring_eq<S, long>(0x7FFFFFFFL, "2147483647");
+    assert_tostring_eq<S, long>(-2000000000L, "-2000000000");
+    assert_tostring_eq<S, unsigned long>(0xFFFFFFFFuL, "4294967295");
+
+    assert_tostring_eq<S>((char const *)TEST_STRING, TEST_STRING);
+    assert_tostring_eq<S>((signed char const *)TEST_STRING, TEST_STRING);
+    assert_tostring_eq<S>((unsigned char const *)TEST_STRING, TEST_STRING);
+    assert_tostring_eq<S, std::string>(TEST_STRING, TEST_STRING);
+    assert_tostring_eq<S, Glib::ustring>(TEST_STRING, TEST_STRING);
+}
+
+TEST(CSSOStringStreamTest, tostring)
+{
+    using S = Inkscape::CSSOStringStream;
+
+    test_tostring<S>();
+
+    // float has 6 significant digits
+    assert_tostring_eq<S, float>(0.0, "0");
+    assert_tostring_eq<S, float>(4.5, "4.5");
+    assert_tostring_eq<S, float>(-4.0, "-4");
+    assert_tostring_eq<S, float>(0.001, "0.001");
+    assert_tostring_eq<S, float>(0.00123456, "0.00123456");
+    assert_tostring_eq<S, float>(-0.00123456, "-0.00123456");
+    assert_tostring_eq<S, float>(-1234560.0, "-1234560");
+
+    // double has 15 significant digits
+    assert_tostring_eq<S, double>(0.0, "0");
+    assert_tostring_eq<S, double>(4.5, "4.5");
+    assert_tostring_eq<S, double>(-4.0, "-4");
+    assert_tostring_eq<S, double>(0.001, "0.001");
+
+    // 9 significant digits
+    assert_tostring_eq<S, double>(1.23456789, "1.23456789");
+    assert_tostring_eq<S, double>(-1.23456789, "-1.23456789");
+    assert_tostring_eq<S, double>(12345678.9, "12345678.9");
+    assert_tostring_eq<S, double>(-12345678.9, "-12345678.9");
+
+    assert_tostring_eq<S, double>(1.234e-12, "0");
+    assert_tostring_eq<S, double>(3e9, "3000000000");
+    assert_tostring_eq<S, double>(-3.5e9, "-3500000000");
+}
+
+TEST(SVGOStringStreamTest, tostring)
+{
+    using S = Inkscape::SVGOStringStream;
+
+    test_tostring<S>();
+
+    assert_tostring_eq<S>(Geom::Point(12, 3.4), "12,3.4");
+
+    // float has 6 significant digits
+    assert_tostring_eq<S, float>(0.0, "0");
+    assert_tostring_eq<S, float>(4.5, "4.5");
+    assert_tostring_eq<S, float>(-4.0, "-4");
+    assert_tostring_eq<S, float>(0.001, "0.001");
+    assert_tostring_eq<S, float>(0.00123456, "0.00123456");
+    assert_tostring_eq<S, float>(-0.00123456, "-0.00123456");
+    assert_tostring_eq<S, float>(-1234560.0, "-1234560");
+
+    // double has 15 significant digits
+    assert_tostring_eq<S, double>(0.0, "0");
+    assert_tostring_eq<S, double>(4.5, "4.5");
+    assert_tostring_eq<S, double>(-4.0, "-4");
+    assert_tostring_eq<S, double>(0.001, "0.001");
+
+    // 8 significant digits
+    assert_tostring_eq<S, double>(1.23456789, "1.2345679");
+    assert_tostring_eq<S, double>(-1.23456789, "-1.2345679");
+    assert_tostring_eq<S, double>(12345678.9, "12345679");
+    assert_tostring_eq<S, double>(-12345678.9, "-12345679");
+
+    assert_tostring_eq<S, double>(1.234e-12, "1.234e-12");
+    assert_tostring_eq<S, double>(3e9, "3e+09");
+    assert_tostring_eq<S, double>(-3.5e9, "-3.5e+09");
+}
+
+template <typename S>
+void test_concat()
+{
+    S s;
+    s << "hello, ";
+    s << -53.5;
+    ASSERT_EQ(s.str(), std::string("hello, -53.5"));
+}
+
+TEST(CSSOStringStreamTest, concat)
+{ //
+    test_concat<Inkscape::CSSOStringStream>();
+}
+
+TEST(SVGOStringStreamTest, concat)
+{ //
+    test_concat<Inkscape::SVGOStringStream>();
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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