add DateTime::end_of_month(), DateTime::end_of_day(). Add unit tests for them.

1 files changed, 143 insertions, 0 deletions

diff --git a/tests/test-datetime.cpp b/tests/test-datetime.cpp
new file mode 100644
index 0000000..41f78fb
--- /dev/null
+++ b/tests/test-datetime.cpp
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2015 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#include <datetime/date-time.h>
+
+#include "glib-fixture.h"
+
+using namespace unity::indicator::datetime;
+
+/***
+****
+***/
+
+class DateTimeFixture: public GlibFixture
+{
+  public:
+
+    DateTimeFixture() =default;
+    virtual ~DateTimeFixture() =default;
+
+  private:
+
+    typedef GlibFixture super;
+
+  protected:
+
+    GRand * m_rand = nullptr;
+
+    virtual void SetUp() override
+    {
+      super::SetUp();
+
+      m_rand = g_rand_new();
+    }
+
+    virtual void TearDown() override
+    {
+      g_clear_pointer(&m_rand, g_rand_free);
+
+      super::TearDown();
+    }
+
+    DateTime random_day()
+    {
+        return DateTime::Local(g_rand_int_range(m_rand, 1970, 3000),
+                               g_rand_int_range(m_rand, 1, 13),
+                               g_rand_int_range(m_rand, 1, 29),
+                               g_rand_int_range(m_rand, 0, 24),
+                               g_rand_int_range(m_rand, 0, 60),
+                               g_rand_double_range(m_rand, 0, 60.0));
+    }
+};
+
+/***
+****
+***/
+
+TEST_F(DateTimeFixture, StartAndEnd)
+{
+    const int n_iterations{10000};
+
+    for (int i{0}; i<n_iterations; ++i)
+    { 
+        const auto day = random_day();
+        int dayy{0}, daym{0}, dayd{0};
+        day.ymd(dayy, daym, dayd);
+
+        // test start-of-month
+        auto test = day.start_of_month();
+        int testy{0}, testm{0}, testd{0};
+        test.ymd(testy, testm, testd);
+        EXPECT_EQ(dayy, testy);
+        EXPECT_EQ(daym, testm);
+        EXPECT_EQ(1, testd);
+        EXPECT_EQ(0, test.hour());
+        EXPECT_EQ(0, test.minute());
+        EXPECT_EQ(0, (int)test.seconds());
+
+        // test start-of-day
+        test = day.start_of_day();
+        testy = -1;
+        testm = -1;
+        testd = -1;
+        test.ymd(testy, testm, testd);
+        EXPECT_EQ(dayy, testy);
+        EXPECT_EQ(daym, testm);
+        EXPECT_EQ(dayd, testd);
+        EXPECT_EQ(0, test.hour());
+        EXPECT_EQ(0, test.minute());
+        EXPECT_EQ(0, (int)test.seconds());
+
+        // test start-of-minute
+        test = day.start_of_minute();
+        testy = -1;
+        testm = -1;
+        testd = -1;
+        test.ymd(testy, testm, testd);
+        EXPECT_EQ(dayy, testy);
+        EXPECT_EQ(daym, testm);
+        EXPECT_EQ(dayd, testd);
+        EXPECT_EQ(day.hour(), test.hour());
+        EXPECT_EQ(day.minute(), test.minute());
+        EXPECT_EQ(0, (int)test.seconds());
+
+        // test end-of-day
+        test = day.end_of_day();
+        testy = -1;
+        testm = -1;
+        testd = -1;
+        test.ymd(testy, testm, testd);
+        EXPECT_EQ(dayy, testy);
+        EXPECT_EQ(daym, testm);
+        EXPECT_EQ(dayd, testd);
+        EXPECT_EQ(day.add_days(1).start_of_day(), test.add_full(0,0,0,0,0,1));
+
+        // test end-of-month
+        test = day.end_of_month();
+        testy = -1;
+        testm = -1;
+        testd = -1;
+        test.ymd(testy, testm, testd);
+        EXPECT_EQ(dayy, testy);
+        EXPECT_EQ(daym, testm);
+        EXPECT_EQ(day.add_days(31).start_of_month(), test.add_full(0,0,0,0,0,1));
+    }
+}
+