From 16e2509100611447887f6050a5eb1c21ac9170c4 Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Fri, 12 Oct 2012 21:25:12 +0200
Subject: Added gtest based test cases to be executed after every compile
---
Makefile | 11 ++++++++---
test.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+), 3 deletions(-)
create mode 100644 test.cpp
diff --git a/Makefile b/Makefile
index 34c4105..ac857b2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,13 @@
-LIB_FILES = tree.cpp parser.cpp
+LIB_FILES = tree.cpp parser.cpp
PROG_FILES = main.cpp
+TEST_FILES = test.cpp
-all: parser
+all: parser test
parser: $(PROG_FILES) $(LIB_FILES)
- g++ -O2 -g -o parser $(PROG_FILES) $(LIB_FILES)
+ g++ -O2 -g -o bin/parser $(PROG_FILES) $(LIB_FILES)
+
+test: $(LIB_FILES) $(TEST_FILES)
+ g++ -o bin/test -lgtest $(LIB_FILES) $(TEST_FILES)
+ ./bin/test
diff --git a/test.cpp b/test.cpp
new file mode 100644
index 0000000..2d0ef10
--- /dev/null
+++ b/test.cpp
@@ -0,0 +1,44 @@
+#include "parser.h"
+#include "gtest/gtest.h"
+
+class ParserTest : public ::testing::Test {
+
+};
+
+TEST_F(ParserTest, BasicCalc) {
+ Parser p;
+
+ EXPECT_EQ(4, p.calculate("2+2", false).result);
+ EXPECT_EQ(0, p.calculate("2-2", false).result);
+ EXPECT_EQ(42, p.calculate("21*2", false).result);
+ EXPECT_EQ(21, p.calculate("42/2", false).result);
+}
+
+TEST_F(ParserTest, OperatorPriority) {
+ Parser p;
+
+ EXPECT_EQ(10, p.calculate("2+2*4", false).result);
+ EXPECT_EQ(4, p.calculate("2+4/2", false).result);
+ EXPECT_EQ(42, p.calculate("5+10*4-3", false).result);
+ EXPECT_EQ(17, p.calculate("10+20/2-3", false).result);
+ EXPECT_EQ(261, p.calculate("5+2^8", false).result);
+ EXPECT_EQ(32768, p.calculate("2*2^16/4", false).result);
+ EXPECT_EQ(32772, p.calculate("2*2^16/4+4", false).result);
+}
+
+TEST_F(ParserTest, BracketCalc) {
+ Parser p;
+
+ EXPECT_EQ(16, p.calculate("(2+2)*4", false).result);
+ EXPECT_EQ(10, p.calculate("2+(2*4)", false).result);
+ EXPECT_EQ(10, p.calculate("(10-5)*(5-3)", false).result);
+ EXPECT_EQ(4, p.calculate("((((2))*((2))))", false).result);
+ EXPECT_EQ(37, p.calculate("(((5))*(((((3+2*2)))))+2)", false).result);
+ EXPECT_EQ(6.25, p.calculate("2.5*(2+3-(3/2+1))", false).result);
+}
+
+int main(int argc, char **argv) {
+ testing::InitGoogleTest(&argc, argv);
+
+ return RUN_ALL_TESTS();
+}
--
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