1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/xdr/stencil-can-lazily-parse-mismatch.js b/js/src/jit-test/tests/xdr/stencil-can-lazily-parse-mismatch.js
new file mode 100644
index 0000000000..351dbc9648
--- /dev/null
+++ b/js/src/jit-test/tests/xdr/stencil-can-lazily-parse-mismatch.js
@@ -0,0 +1,71 @@
+// |jit-test| skip-if: isLcovEnabled()
+// Code coverage forces full-parse.
+
+load(libdir + 'asserts.js');
+
+const code = `var a = 10;`;
+
+function testCompile(sourceIsLazy1, sourceIsLazy2,
+                     forceFullParse1, forceFullParse2) {
+  const stencil = compileToStencil(code, { sourceIsLazy: sourceIsLazy1,
+                                           forceFullParse: forceFullParse1 });
+  // The laziness options are ignored for instantiation, and no error is thrown.
+  evalStencil(stencil, { sourceIsLazy: sourceIsLazy2,
+                         forceFullParse: forceFullParse2 });
+}
+
+function testOffThreadCompile(sourceIsLazy1, sourceIsLazy2,
+                              forceFullParse1, forceFullParse2) {
+  offThreadCompileToStencil(code, { sourceIsLazy: sourceIsLazy1,
+                                    forceFullParse: forceFullParse1 });
+  const stencil = finishOffThreadStencil();
+  // The laziness options are ignored for instantiation, and no error is thrown.
+  evalStencil(stencil, { sourceIsLazy: sourceIsLazy2,
+                         forceFullParse: forceFullParse2 });
+}
+
+function testXDR(sourceIsLazy1, sourceIsLazy2,
+                 forceFullParse1, forceFullParse2) {
+  const xdr = compileToStencilXDR(code, { sourceIsLazy: sourceIsLazy1,
+                                          forceFullParse: forceFullParse1 });
+  // The compile options are ignored when decoding, and no error is thrown.
+  evalStencilXDR(xdr, { sourceIsLazy: sourceIsLazy2,
+                        forceFullParse: forceFullParse2 });
+}
+
+function testOffThreadXDR(sourceIsLazy1, sourceIsLazy2,
+                          forceFullParse1, forceFullParse2) {
+  const t = cacheEntry(code);
+  evaluate(t, { sourceIsLazy: sourceIsLazy1,
+                forceFullParse: forceFullParse1,
+                saveIncrementalBytecode: true });
+
+  // The compile options are ignored when decoding, and no error is thrown.
+  offThreadDecodeStencil(t, { sourceIsLazy: sourceIsLazy2,
+                             forceFullParse: forceFullParse2 });
+  const stencil = finishOffThreadStencil();
+
+  // The laziness options are ignored for instantiation, and no error is thrown.
+  evalStencil(stencil, { sourceIsLazy: sourceIsLazy2,
+                         forceFullParse: forceFullParse2 });
+}
+
+const optionsList = [
+  [true, false, false, false],
+  [false, true, false, false],
+  [false, false, true, false],
+  [false, false, false, true],
+  [true, false, true, false],
+  [false, true, false, true],
+];
+
+for (const options of optionsList) {
+  testCompile(...options);
+  if (helperThreadCount() > 0) {
+    testOffThreadCompile(...options);
+  }
+  testXDR(...options);
+  if (helperThreadCount() > 0) {
+    testOffThreadXDR(...options);
+  }
+}