Added arm package

src/arm/Call_test.go

@@ -0,0 +1,25 @@
+package arm_test
+
+import (
+	"testing"
+
+	"git.urbach.dev/cli/q/src/arm"
+	"git.urbach.dev/go/assert"
+)
+
+func TestCall(t *testing.T) {
+	usagePatterns := []struct {
+		Offset int
+		Code   uint32
+	}{
+		{0, 0x94000000},
+		{1, 0x94000001},
+		{-1, 0x97FFFFFF},
+	}
+
+	for _, pattern := range usagePatterns {
+		t.Logf("bl %d", pattern.Offset)
+		code := arm.Call(pattern.Offset)
+		assert.Equal(t, code, pattern.Code)
+	}
+}