modified-contenttype.any.js

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This WPT test may be referenced by the following Test IDs:
- /wasm/webapi/modified-contenttype.any.html - WPT Dashboard Interop Dashboard
- /wasm/webapi/modified-contenttype.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /wasm/webapi/modified-contenttype.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /wasm/webapi/modified-contenttype.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// META: script=/wasm/jsapi/wasm-module-builder.js

["compileStreaming", "instantiateStreaming"].forEach(method => {

  promise_test(async t => {

    const buffer = new WasmModuleBuilder().toBuffer();

    const argument = new Response(buffer, { headers: { "Content-Type": "test/test" } });

    argument.headers.set("Content-Type", "application/wasm");

    // This should resolve successfully

    await WebAssembly[method](argument);

    // Ensure body can only be read once

    return promise_rejects_js(t, TypeError, argument.blob());

  }, `${method} with Content-Type set late`);

  promise_test(async t => {

    const buffer = new WasmModuleBuilder().toBuffer();

    const argument = new Response(buffer, { headers: { "Content-Type": "application/wasm" } });

    argument.headers.delete("Content-Type");

    // Ensure Wasm cannot be created

    await promise_rejects_js(t, TypeError, WebAssembly[method](argument));

    // This should resolve successfully

    await argument.arrayBuffer();

  }, `${method} with Content-Type removed late`);

});