[aravis] tests: start unit testing of ArvEvaluator.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit ad96e3790f2a805fffcccb99f0f975a61649f72e
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Mon Apr 26 10:44:08 2010 +0200

    tests: start unit testing of ArvEvaluator.

 src/tests/.gitignore  |    2 +-
 src/tests/Makefile.am |    6 ++--
 src/tests/evaluator.c |   57 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/tests/formula.c   |   27 -----------------------
 4 files changed, 61 insertions(+), 31 deletions(-)
---
diff --git a/src/tests/.gitignore b/src/tests/.gitignore
index e7ee66b..23e24ca 100644
--- a/src/tests/.gitignore
+++ b/src/tests/.gitignore
@@ -1 +1 @@
-formula
+evaluator
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
index 0ab7bd9..d2c52ca 100644
--- a/src/tests/Makefile.am
+++ b/src/tests/Makefile.am
@@ -4,6 +4,6 @@ INCLUDES = -g -I$(top_srcdir)/src/ $(ARAVIS_CFLAGS)
 
 noinst_PROGRAMS = $(TEST_PROGS)
 
-TEST_PROGS        += formula
-formula_SOURCES = formula.c
-formula_LDADD = $(ARAVIS_LIBS) $(top_builddir)/src/libaravis.la
+TEST_PROGS        += evaluator
+evaluator_SOURCES = evaluator.c
+evaluator_LDADD = $(ARAVIS_LIBS) $(top_builddir)/src/libaravis.la
diff --git a/src/tests/evaluator.c b/src/tests/evaluator.c
new file mode 100644
index 0000000..d4e62c4
--- /dev/null
+++ b/src/tests/evaluator.c
@@ -0,0 +1,57 @@
+#include <glib.h>
+#include <arv.h>
+
+typedef struct {
+	const char *test_name;
+	const char *expression;
+	gint64 result_int64;
+	double result_double;
+} ExpressionTestData;
+
+static const ExpressionTestData expression_test_data[] = {
+	{"/evaluator/addition", 	"10+2", 		12, 	12.0},
+	{"/evaluator/parentheses",	"(24+2)*2",		52, 	52.0},
+	{"/evaluator/precedence",	"24+2*8",		40, 	40.0},
+	{"/evaluator/sin",		"sin(PI/2.0)",		1,	1.0},
+	{"/evaluator/ternary-true",	"1=1?1:0",		1,	1.0},
+	{"/evaluator/ternary-false",	"1=0?1:0",		0,	0.0},
+	{"/evaluator/greater-true",	"2>1",			1,	1.0},
+	{"/evaluator/greater-false",	"2>2",			0,	0.0},
+	{"/evaluator/lower-true",	"1<2",			1,	1.0},
+	{"/evaluator/lower-false",	"2<2",			0,	0.0}
+};
+
+static void
+expression_test (ExpressionTestData *data)
+{
+	ArvEvaluator *evaluator;
+	gint64 v_int64;
+	double v_double;
+
+	evaluator = arv_evaluator_new (data->expression);
+
+	v_int64 = arv_evaluator_evaluate_as_int64 (evaluator, NULL);
+	v_double = arv_evaluator_evaluate_as_double (evaluator, NULL);
+
+	g_assert_cmpint (v_int64, ==, data->result_int64);
+	g_assert_cmpfloat (v_double, ==, data->result_double);
+
+	g_object_unref (evaluator);
+}
+
+int
+main (int argc, char *argv[])
+{
+	int i;
+
+	g_test_init (&argc, &argv, NULL);
+
+	g_type_init ();
+
+	for (i = 0; i < G_N_ELEMENTS (expression_test_data); i++)
+		g_test_add_data_func (expression_test_data[i].test_name,
+				      &expression_test_data[i],
+				      (void *) expression_test);
+
+	return g_test_run();
+}