| <!DOCTYPE html> |
| <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'"> |
| <link rel="author" title="Daniel Vogelheim" href="mailto:vogelheim@chromium.org"></link> |
| <link rel="help" href="https://w3c.github.io/webappsec-trusted-types/dist/spec/"></link> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| // Tests that certain execCommand commands will observe Trusted Types if |
| // it's enforced. |
| const commands = [ "insertHTML", "paste" ]; |
| const tt_commands = [ "insertHTML" ]; |
| |
| // A pass-through policy for testing. |
| const a_policy = trustedTypes.createPolicy("a policy", {"createHTML": x => x}); |
| |
| for (const command of commands) { |
| const requires_tt = tt_commands.includes(command); |
| |
| // Test that execCommand with String throws, but only for commands that |
| // require TT. |
| if (requires_tt) { |
| test(t => { |
| assert_throws_js(TypeError, _ => document.execCommand(command, false, "<em>Hello World</em>")); |
| }, `Document.execCommand("${command}") throws.`); |
| } else { |
| test(t => { |
| document.execCommand(command, false, "<em>Hello World</em>"); |
| }, `Document.execCommand("${command}") works as usual."`); |
| } |
| // Test that execCommand succeeds with a TrustedHTML argument. |
| test(t => { |
| document.execCommand(command, false, a_policy.createHTML("<em>Hello World</em>")); |
| }, `Document.execCommand("${command}") works with a TrustedHTML argument.`); |
| } |
| |
| // Test that with a default policy, all comamnds will work again. |
| trustedTypes.createPolicy("default", {"createHTML": x => x}); |
| for (const command of commands) { |
| test(t => { |
| document.execCommand(command, false, "<em>Hello World</em>"); |
| }, `Document.execCommand("${command}") works as usual with a default policy.`); |
| } |
| </script> |