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-rw-r--r--deps/v8/test/mjsunit/es6/templates.js162
1 files changed, 146 insertions, 16 deletions
diff --git a/deps/v8/test/mjsunit/es6/templates.js b/deps/v8/test/mjsunit/es6/templates.js
index 3eb73e4d16..3e113cb829 100644
--- a/deps/v8/test/mjsunit/es6/templates.js
+++ b/deps/v8/test/mjsunit/es6/templates.js
@@ -342,27 +342,30 @@ var obj = {
var a = 1;
var b = 2;
- tag`head${a}tail`;
- tag`head${b}tail`;
-
+ // Call-sites are cached by ParseNode. Same tag call in a loop
+ // means same template object
+ for (var i = 0; i < 2; ++i) {
+ tag`head${i == 0 ? a : b}tail`;
+ }
assertEquals(2, callSites.length);
assertSame(callSites[0], callSites[1]);
- eval("tag`head${a}tail`");
- assertEquals(3, callSites.length);
- assertSame(callSites[1], callSites[2]);
-
- eval("tag`head${b}tail`");
+ // Tag calls within eval() never have the same ParseNode as the same tag
+ // call from a different eval() invocation.
+ for (var i = 0; i < 2; ++i) {
+ eval("tag`head${i == 0 ? a : b}tail`");
+ }
assertEquals(4, callSites.length);
- assertSame(callSites[2], callSites[3]);
+ assertTrue(callSites[1] !== callSites[2]);
+ assertTrue(callSites[2] !== callSites[3]);
(new Function("tag", "a", "b", "return tag`head${a}tail`;"))(tag, 1, 2);
assertEquals(5, callSites.length);
- assertSame(callSites[3], callSites[4]);
+ assertTrue(callSites[3] !== callSites[4]);
(new Function("tag", "a", "b", "return tag`head${b}tail`;"))(tag, 1, 2);
assertEquals(6, callSites.length);
- assertSame(callSites[4], callSites[5]);
+ assertTrue(callSites[4] !== callSites[5]);
callSites = [];
@@ -374,17 +377,19 @@ var obj = {
callSites = [];
- eval("tag`\\\r\n\\\n\\\r`");
- eval("tag`\\\r\n\\\n\\\r`");
+ for (var i = 0; i < 2; ++i) {
+ eval("tag`\\\r\n\\\n\\\r`");
+ }
assertEquals(2, callSites.length);
- assertSame(callSites[0], callSites[1]);
+ assertTrue(callSites[0] !== callSites[1]);
assertEquals("", callSites[0][0]);
assertEquals("\\\n\\\n\\\n", callSites[0].raw[0]);
callSites = [];
- tag`\uc548\ub155`;
- tag`\uc548\ub155`;
+ for (var i = 0; i < 2; ++i) {
+ tag`\uc548\ub155`;
+ }
assertEquals(2, callSites.length);
assertSame(callSites[0], callSites[1]);
assertEquals("안녕", callSites[0][0]);
@@ -735,3 +740,128 @@ var global = this;
assertThrows(() => Function("f`foo`--"), ReferenceError);
assertThrows(() => Function("f`foo` = 1"), ReferenceError);
})();
+
+// Disable eval caching if a tagged template occurs in a nested function
+var v = 0;
+var templates = [];
+function tag(callSite) { templates.push(callSite); }
+for (v = 0; v < 6; v += 2) {
+ eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${v}world` })()");
+ assertSame(templates[v], templates[v + 1]);
+}
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+
+function makeSource1(id) {
+ return `function f() {
+ for (var i = 0; i < 2; ++i) tag\`Hello${id}world\`;
+ }
+ f();`;
+}
+templates = [];
+for (v = 0; v < 6; v += 2) {
+ eval(makeSource1(v));
+ assertSame(templates[v], templates[v + 1]);
+}
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+
+templates = [];
+eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${1}world` })()");
+eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })()");
+eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })()");
+assertSame(templates[0], templates[1]);
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertSame(templates[2], templates[3]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+assertSame(templates[4],templates[5]);
+
+templates = [];
+eval(makeSource1(1));
+eval(makeSource1(2));
+eval(makeSource1(3));
+assertSame(templates[0], templates[1]);
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertSame(templates[2], templates[3]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+assertSame(templates[4],templates[5]);
+
+// Disable eval caching if a tagged template occurs in an even deeper nested function
+var v = 0;
+templates = [];
+for (v = 0; v < 6; v += 2) {
+ eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${v}world` })() })()");
+ if (!v) continue;
+ assertNotSame(templates[v], templates[v - 1]);
+}
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+
+function makeSource2(id) {
+ return `function f() {
+ function innerF() {
+ for (var i = 0; i < 2; ++i) tag\`Hello${id}world\`;
+ }
+ return innerF();
+ }
+ f();`;
+}
+templates = [];
+for (v = 0; v < 6; v += 2) {
+ eval(makeSource2(v));
+ assertSame(templates[v], templates[v + 1]);
+}
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+
+templates = [];
+eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${1}world` })() })()");
+eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })() })()");
+eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })() })()");
+assertSame(templates[0], templates[1]);
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertSame(templates[2], templates[3]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+assertSame(templates[4], templates[5]);
+
+templates = [];
+eval(makeSource2(1));
+eval(makeSource2(2));
+eval(makeSource2(3));
+assertSame(templates[0], templates[1]);
+assertNotSame(templates[0], templates[2]);
+assertNotSame(templates[0], templates[4]);
+assertNotSame(templates[1], templates[3]);
+assertNotSame(templates[1], templates[5]);
+assertSame(templates[2], templates[3]);
+assertNotSame(templates[2], templates[4]);
+assertNotSame(templates[3], templates[5]);
+assertSame(templates[4], templates[5]);
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