Add test stage to CI.

.gitlab-ci.yml

@@ -2,6 +2,7 @@ image: "rust:latest"
 
 stages:
   - build
+  - test
 
 build-job:
   stage: build
@@ -10,3 +11,8 @@ build-job:
       - target/release/indivisible
   script:
     - cargo build --release
+
+test-job:
+  stage: test
+  script:
+    - ./test.sh

test.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+echo -n "Prime finding..."
+if [[ $(./target/release/indivisible 5) == 11 ]]
+then
+	echo " pass"
+else
+	echo " FAIL"
+	exit 1
+fi
+
+echo -n "Positive prime test..."
+if ./target/release/indivisible -t 11
+then
+	echo " pass"
+else
+	echo " FAIL"
+	exit 1
+fi
+
+echo -n "Negative prime test..."
+if ! ./target/release/indivisible -t 9
+then
+	echo " pass"
+else
+	echo " FAIL"
+	exit 1
+fi