aboutsummaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
Diffstat (limited to 'test')
-rw-r--r--test/compress/varify.js86
-rw-r--r--test/ufuzz/index.js23
2 files changed, 103 insertions, 6 deletions
diff --git a/test/compress/varify.js b/test/compress/varify.js
index ab212842..f60c5474 100644
--- a/test/compress/varify.js
+++ b/test/compress/varify.js
@@ -354,6 +354,92 @@ forin_let_2: {
node_version: ">=6"
}
+loop_scope_1: {
+ options = {
+ toplevel: true,
+ varify: true,
+ }
+ input: {
+ "use strict";
+ var o = { foo: 1, bar: 2 };
+ for (let i in o) {
+ console.log(i);
+ }
+ for (const j in o)
+ setTimeout(() => console.log(j), 0);
+ for (let k in o)
+ setTimeout(function() {
+ console.log(k);
+ }, 0);
+ }
+ expect: {
+ "use strict";
+ var o = { foo: 1, bar: 2 };
+ for (var i in o)
+ console.log(i);
+ for (const j in o)
+ setTimeout(() => console.log(j), 0);
+ for (let k in o)
+ setTimeout(function() {
+ console.log(k);
+ }, 0);
+ }
+ expect_stdout: [
+ "foo",
+ "bar",
+ "foo",
+ "bar",
+ "foo",
+ "bar",
+ ]
+ node_version: ">=4"
+}
+
+loop_scope_2: {
+ options = {
+ reduce_vars: true,
+ toplevel: true,
+ varify: true,
+ }
+ input: {
+ "use strict";
+ var a = [ "foo", "bar" ];
+ for (var i = 0; i < a.length; i++) {
+ const x = a[i];
+ console.log(x);
+ let y = a[i];
+ setTimeout(() => console.log(y), 0);
+ const z = a[i];
+ setTimeout(function() {
+ console.log(z);
+ }, 0);
+ }
+ }
+ expect: {
+ "use strict";
+ var a = [ "foo", "bar" ];
+ for (var i = 0; i < a.length; i++) {
+ var x = a[i];
+ console.log(x);
+ let y = a[i];
+ setTimeout(() => console.log(y), 0);
+ const z = a[i];
+ setTimeout(function() {
+ console.log(z);
+ }, 0);
+ }
+ }
+ expect_stdout: [
+ "foo",
+ "bar",
+ "foo",
+ "foo",
+ "bar",
+ "bar",
+ ]
+ node_version: ">=4"
+}
+
issue_4290_1_const: {
options = {
reduce_vars: true,
diff --git a/test/ufuzz/index.js b/test/ufuzz/index.js
index f38cdd96..191814c1 100644
--- a/test/ufuzz/index.js
+++ b/test/ufuzz/index.js
@@ -919,6 +919,12 @@ function getLabel(label) {
return label && " L" + label;
}
+function declareVarName(name, no_var) {
+ if (!SUPPORT.let || !no_var && rng(10)) return "var ";
+ block_vars.push(name);
+ return rng(2) ? "let " : "const ";
+}
+
function createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn, stmtDepth, target) {
++stmtDepth;
var loop = ++loops;
@@ -955,6 +961,8 @@ function createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn
canContinue = label.continue || enableLoopControl(canContinue, CAN_CONTINUE);
return label.target + "for (var brake" + loop + " = 5; " + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + " && brake" + loop + " > 0; --brake" + loop + ")" + createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn, stmtDepth);
case STMT_FOR_ENUM:
+ var block_len = block_vars.length;
+ var nameLenBefore = VAR_NAMES.length;
var label = createLabel(canBreak, canContinue);
canBreak = label.break || enableLoopControl(canBreak, CAN_BREAK);
canContinue = label.continue || enableLoopControl(canContinue, CAN_CONTINUE);
@@ -963,12 +971,8 @@ function createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn
var init = "";
if (!/^key/.test(key)) {
if (!(of && bug_for_of_var) && rng(10) == 0) init = "var ";
- } else if (!SUPPORT.let || !(of && bug_for_of_var) && rng(10)) {
- init = "var ";
- } else if (rng(2)) {
- init = "let ";
} else {
- init = "const ";
+ init = declareVarName(key, of && bug_for_of_var);
}
if (!SUPPORT.destructuring || of && !(canThrow && rng(20) == 0) || rng(10)) {
init += key;
@@ -1003,8 +1007,15 @@ function createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn
s += createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "; ";
s += label.target + " for (" + init + " in expr" + loop + ") {";
}
- if (rng(3)) s += "c = 1 + c; var " + createVarName(MANDATORY) + " = expr" + loop + "[" + key + "]; ";
+ if (/^key/.test(key)) VAR_NAMES.push(key);
+ if (rng(3)) {
+ s += "c = 1 + c; ";
+ var name = createVarName(MANDATORY);
+ s += declareVarName(name) + name + " = expr" + loop + "[" + key + "]; ";
+ }
s += createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn, stmtDepth) + "}";
+ VAR_NAMES.length = nameLenBefore;
+ block_vars.length = block_len;
return "{" + s + "}";
case STMT_SEMI:
return use_strict && rng(20) === 0 ? '"use strict";' : ";";