Function TestValueInstanceof

value_test.go:1360–1401

TestValueInstanceof tests instanceof operations

(t *testing.T)

// TestValueInstanceof tests instanceof operations
func TestValueInstanceof(t *testing.T) {
	useStableOwnerHooksForLegacySubtests(t)

	rt := NewRuntime()
	defer rt.Close()
	ctx := rt.NewContext()
	defer ctx.Close()

	// Test valid instanceof cases - FIXED: removed error handling
	arr := ctx.Eval(`[1, 2, 3]`)
	defer arr.Free()
	require.False(t, arr.IsException()) // Check for exceptions instead of error
	require.True(t, arr.GlobalInstanceof("Array"))
	require.True(t, arr.GlobalInstanceof("Object"))

	obj := ctx.Eval(`({})`)
	defer obj.Free()
	require.False(t, obj.IsException()) // Check for exceptions instead of error
	require.True(t, obj.GlobalInstanceof("Object"))
	require.False(t, obj.GlobalInstanceof("Array"))

	// Test false cases to ensure coverage - Updated to use New* methods
	testVals := []struct {
		name      string
		createVal func() *Value // Changed to return pointer
	}{
		{"String", func() *Value { return ctx.NewString("test") }},
		{"Number", func() *Value { return ctx.NewInt32(42) }},
		{"Null", func() *Value { return ctx.NewNull() }},
		{"Undefined", func() *Value { return ctx.NewUndefined() }},
	}

	for _, tv := range testVals {
		t.Run(tv.name, func(t *testing.T) {
			val := tv.createVal()
			defer val.Free()
			require.False(t, val.GlobalInstanceof("Array"))
			require.False(t, val.GlobalInstanceof("NonExistent"))
			require.False(t, val.GlobalInstanceof(""))
		})
	}
}

// TestValueSpecialTypes tests special types and edge cases
func TestValueSpecialTypes(t *testing.T) {