module support

vm/vm_test.go

@@ -7,6 +7,7 @@ import (
 	"monkey/lexer"
 	"monkey/object"
 	"monkey/parser"
+	"monkey/utils"
 	"os"
 	"path"
 	"path/filepath"
@@ -1127,3 +1128,35 @@ func BenchmarkFibonacci(b *testing.B) {
 		})
 	}
 }
+
+func TestImportExpressions(t *testing.T) {
+	tests := []vmTestCase{
+		{
+			input:    `mod := import("../testdata/mod"); mod.A`,
+			expected: 5,
+		},
+		{
+			input:    `mod := import("../testdata/mod"); mod.Sum(2, 3)`,
+			expected: 5,
+		},
+		{
+			input:    `mod := import("../testdata/mod"); mod.a`,
+			expected: nil,
+		},
+	}
+
+	runVmTests(t, tests)
+}
+
+func TestImportSearchPaths(t *testing.T) {
+	utils.AddPath("../testdata")
+
+	tests := []vmTestCase{
+		{
+			input:    `mod := import("../testdata/mod"); mod.A`,
+			expected: 5,
+		},
+	}
+
+	runVmTests(t, tests)
+}