test: move long-running test to sequential

test-buffer-creation-regression is flaky on some SmartOS hosts in CI, timing out. Move to sequential so it does not compete with other tests for resources. Reduce three test cases to just the one needed to identify the regression. PR-URL: #10161 Reviewed-By: Santiago Gimeno <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Italo A. Casas <[email protected]>

Author: Trott

test/parallel/test-buffer-creation-regression.js

@@ -0,0 +1,36 @@
+'use strict';
+
+constcommon=require('../common');
+constassert=require('assert');
+
+functiontest(arrayBuffer,offset,length){
+constuint8Array=newUint8Array(arrayBuffer,offset,length);
+for(leti=0;i<length;i+=1){
+uint8Array[i]=1;
+}
+
+constbuffer=Buffer.from(arrayBuffer,offset,length);
+for(leti=0;i<length;i+=1){
+assert.strictEqual(buffer[i],1);
+}
+}
+
+constacceptableOOMErrors=[
+'Array buffer allocation failed',
+'Invalid array buffer length'
+];
+
+constsize=8589934592;/* 1 << 33 */
+constoffset=4294967296;/* 1 << 32 */
+constlength=1000;
+letarrayBuffer;
+
+try{
+arrayBuffer=newArrayBuffer(size);
+}catch(e){
+if(einstanceofRangeError&&acceptableOOMErrors.includes(e.message))
+returncommon.skip(`Unable to allocate ${size} bytes for ArrayBuffer`);
+throwe;
+}
+
+test(arrayBuffer,offset,length);