Function TestExpr_nil_op_str

expr_test.go:2722–2754

(t *testing.T)

}

func TestExpr_nil_op_str(t *testing.T) {
	// Let's test operators, which do `.(string)` in VM, also check for nil.

	var str *string = nil
	env := map[string]any{
		"nilString": str,
	}

	tests := []struct{ code string }{
		{`nilString == "str"`},
		{`nilString contains "str"`},
		{`nilString matches "str"`},
		{`nilString startsWith "str"`},
		{`nilString endsWith "str"`},

		{`"str" == nilString`},
		{`"str" contains nilString`},
		{`"str" matches nilString`},
		{`"str" startsWith nilString`},
		{`"str" endsWith nilString`},
	}

	for _, tt := range tests {
		t.Run(tt.code, func(t *testing.T) {
			program, err := expr.Compile(tt.code)
			require.NoError(t, err)

			output, err := expr.Run(program, env)
			require.NoError(t, err)
			require.Equal(t, false, output)
		})
	}
}

func TestExpr_env_types_map(t *testing.T) {
	envTypes := types.Map{