Added more tests to analyzer

analyzer/analyzer_test.go

@@ -2,7 +2,7 @@ package analyzer
 
 import "testing"
 
-func TestUnique (test *testing.T) {
+func TestFunctionUnique (test *testing.T) {
 testStringErr (test,
 "hello already declared at stream0.fspl:2:1", 3, 1,
 `
@@ -10,3 +10,23 @@ testStringErr (test,
 [hello] = { }
 `)
 }
+
+func TestTypeUnique (test *testing.T) {
+testStringErr (test,
+"hello already declared at stream0.fspl:2:1", 3, 1,
+`
+hello: *Int
+hello: (x:Int y:Int)
+`)
+}
+
+func TestMethodUnique (test *testing.T) {
+testStringErr (test,
+"Bird.fly already declared at stream0.fspl:3:1", 5, 1,
+`
+Bird: Int
+Bird.[fly] = { }
+Bird.[land] = { }
+Bird.[fly distance:Int] = { }
+`)
+}

analyzer/test-common.go

@@ -58,3 +58,25 @@ func testReaderErr (
 		return
 	}
 }
+
+func testString (test *testing.T, input string) {
+	testReader(test, strings.NewReader(input))
+}
+
+func testReader (test *testing.T, inputs ...io.Reader) {
+	ast := parser.Tree { }
+	for index, stream := range inputs {
+		err := ast.Parse(fmt.Sprintf("stream%d.fspl", index), stream)
+		if err != nil {
+			test.Error("parser returned error: ", err)
+			return
+		}
+	}
+
+	tree := Tree { }
+	err := tree.Analyze(ast)
+	if err != nil {
+		test.Error("analyzer returned error: ", err)
+		return
+	}
+}