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-rw-r--r--go/hello-world/hello_test.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/go/hello-world/hello_test.go b/go/hello-world/hello_test.go
new file mode 100644
index 0000000..3099d41
--- /dev/null
+++ b/go/hello-world/hello_test.go
@@ -0,0 +1,29 @@
+package hello
+
+import "testing"
+
+// Define a function HelloWorld(string) string.
+//
+// Also define a testVersion with a value that matches
+// the targetTestVersion here.
+
+const targetTestVersion = 2
+
+func TestHelloWorld(t *testing.T) {
+ tests := []struct {
+ name, expected string
+ }{
+ {"", "Hello, World!"},
+ {"Gopher", "Hello, Gopher!"},
+ }
+ for _, test := range tests {
+ observed := HelloWorld(test.name)
+ if observed != test.expected {
+ t.Fatalf("HelloWorld(%s) = %v, want %v", test.name, observed, test.expected)
+ }
+ }
+
+ if testVersion != targetTestVersion {
+ t.Fatalf("Found testVersion = %v, want %v", testVersion, targetTestVersion)
+ }
+}