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aboutsummaryrefslogtreecommitdiff -rw-r--r--test/compress/collapse_vars.js389
-rw-r--r--test/compress/pure_getters.js331
-rw-r--r--test/compress/sequences.js3
3 files changed, 721 insertions, 2 deletions
diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index 60505509..d4ab444e 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -4770,3 +4770,392 @@ issue_2954_3: {
}
expect_stdout: Error("PASS")
}
+
+collapse_rhs_conditional_1: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a = "PASS", b = "FAIL";
+ b = a;
+ "function" == typeof f && f(a);
+ console.log(a, b);
+ }
+ expect: {
+ var a = "PASS", b = "FAIL";
+ b = a;
+ "function" == typeof f && f(a);
+ console.log(a, b);
+ }
+ expect_stdout: "PASS PASS"
+}
+
+collapse_rhs_conditional_2: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a = "FAIL", b;
+ while ((a = "PASS", --b) && "PASS" == b);
+ console.log(a, b);
+ }
+ expect: {
+ var a = "FAIL", b;
+ while ((a = "PASS", --b) && "PASS" == b);
+ console.log(a, b);
+ }
+ expect_stdout: "PASS NaN"
+}
+
+collapse_rhs_lhs_1: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var c = 0;
+ new function() {
+ this[c++] = 1;
+ c += 1;
+ }();
+ console.log(c);
+ }
+ expect: {
+ var c = 0;
+ new function() {
+ this[c++] = 1;
+ c += 1;
+ }();
+ console.log(c);
+ }
+ expect_stdout: "2"
+}
+
+collapse_rhs_lhs_2: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var b = 1;
+ (function f(f) {
+ f = b;
+ f[b] = 0;
+ })();
+ console.log("PASS");
+ }
+ expect: {
+ var b = 1;
+ (function f(f) {
+ f = b;
+ f[b] = 0;
+ })();
+ console.log("PASS");
+ }
+ expect_stdout: "PASS"
+}
+
+collapse_rhs_side_effects: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a = 1, c = 0;
+ new function f() {
+ this[a-- && f()] = 1;
+ c += 1;
+ }();
+ console.log(c);
+ }
+ expect: {
+ var a = 1, c = 0;
+ new function f() {
+ this[a-- && f()] = 1;
+ c += 1;
+ }();
+ console.log(c);
+ }
+ expect_stdout: "2"
+}
+
+collapse_rhs_vardef: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b = 1;
+ a = --b + function c() {
+ var b;
+ c[--b] = 1;
+ }();
+ b |= a;
+ console.log(a, b);
+ }
+ expect: {
+ var a, b = 1;
+ a = --b + function c() {
+ var b;
+ c[--b] = 1;
+ }();
+ b |= a;
+ console.log(a, b);
+ }
+ expect_stdout: "NaN 0"
+}
+
+collapse_rhs_array: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = [];
+ b = [];
+ return [];
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ a = [];
+ b = [];
+ return [];
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "false false false"
+}
+
+collapse_rhs_boolean: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = !0;
+ b = !0;
+ return !0;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ return b = a = !0;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
+
+collapse_rhs_function: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = function() {};
+ b = function() {};
+ return function() {};
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ a = function() {};
+ b = function() {};
+ return function() {};
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "false false false"
+}
+
+collapse_rhs_number: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = 42;
+ b = 42;
+ return 42;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ return b = a = 42;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
+
+collapse_rhs_object: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = {};
+ b = {};
+ return {};
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ a = {};
+ b = {};
+ return {};
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "false false false"
+}
+
+collapse_rhs_regexp: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = /bar/;
+ b = /bar/;
+ return /bar/;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ a = /bar/;
+ b = /bar/;
+ return /bar/;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "false false false"
+}
+
+collapse_rhs_string: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = "foo";
+ b = "foo";
+ return "foo";
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ return b = a = "foo";
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
+
+collapse_rhs_var: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = f;
+ b = f;
+ return f;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ return b = a = f;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
+
+collapse_rhs_this: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = this;
+ b = this;
+ return this;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ return b = a = this;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
+
+collapse_rhs_undefined: {
+ options = {
+ collapse_vars: true,
+ }
+ input: {
+ var a, b;
+ function f() {
+ a = void 0;
+ b = void 0;
+ return void 0;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect: {
+ var a, b;
+ function f() {
+ b = a = void 0;
+ return;
+ }
+ var c = f();
+ console.log(a === b, b === c, c === a);
+ }
+ expect_stdout: "true true true"
+}
diff --git a/test/compress/pure_getters.js b/test/compress/pure_getters.js
index e2662868..f9edcc8d 100644
--- a/test/compress/pure_getters.js
+++ b/test/compress/pure_getters.js
@@ -830,3 +830,334 @@ issue_2938_4: {
}
expect_stdout: "PASS"
}
+
+collapse_vars_1_true: {
+ options = {
+ collapse_vars: true,
+ pure_getters: true,
+ unused: true,
+ }
+ input: {
+ function f(a, b) {
+ for (;;) {
+ var c = a.g();
+ var d = b.p;
+ if (c || d) break;
+ }
+ }
+ }
+ expect: {
+ function f(a, b) {
+ for (;;) {
+ if (a.g() || b.p) break;
+ }
+ }
+ }
+}
+
+collapse_vars_1_false: {
+ options = {
+ collapse_vars: true,
+ pure_getters: false,
+ unused: true,
+ }
+ input: {
+ function f(a, b) {
+ for (;;) {
+ var c = a.g();
+ var d = b.p;
+ if (c || d) break;
+ }
+ }
+ }
+ expect: {
+ function f(a, b) {
+ for (;;) {
+ var c = a.g();
+ var d = b.p;
+ if (c || d) break;
+ }
+ }
+ }
+}
+
+collapse_vars_1_strict: {
+ options = {
+ collapse_vars: true,
+ pure_getters: "strict",
+ unused: true,
+ }
+ input: {
+ function f(a, b) {
+ for (;;) {
+ var c = a.g();
+ var d = b.p;
+ if (c || d) break;
+ }
+ }
+ }
+ expect: {
+ function f(a, b) {
+ for (;;) {
+ var c = a.g();
+ var d = b.p;
+ if (c || d) break;
+ }
+ }
+ }
+}
+
+collapse_vars_2_true: {
+ options = {
+ collapse_vars: true,
+ pure_getters: true,
+ reduce_vars: true,
+ }
+ input: {
+ function f() {
+ function g() {}
+ g.a = function() {};
+ g.b = g.a;
+ return g;
+ }
+ }
+ expect: {
+ function f() {
+ function g() {}
+ g.b = g.a = function() {};
+ return g;
+ }
+ }
+}
+
+collapse_vars_2_false: {
+ options = {
+ collapse_vars: true,
+ pure_getters: false,
+ reduce_vars: true,
+ }
+ input: {
+ function f() {
+ function g() {}
+ g.a = function() {};
+ g.b = g.a;
+ return g;
+ }
+ }
+ expect: {
+ function f() {
+ function g() {}
+ g.a = function() {};
+ g.b = g.a;
+ return g;
+ }
+ }
+}
+
+collapse_vars_2_strict: {
+ options = {
+ collapse_vars: true,
+ pure_getters: "strict",
+ reduce_vars: true,
+ }
+ input: {
+ function f() {
+ function g() {}
+ g.a = function() {};
+ g.b = g.a;
+ return g;
+ }
+ }
+ expect: {
+ function f() {
+ function g() {}
+ g.b = g.a = function() {};
+ return g;
+ }
+ }
+}
+
+collapse_rhs_true: {
+ options = {
+ collapse_vars: true,
+ pure_getters: true,
+ }
+ input: {
+ console.log((42..length = "PASS", "PASS"));
+ console.log(("foo".length = "PASS", "PASS"));
+ console.log((false.length = "PASS", "PASS"));
+ console.log((function() {}.length = "PASS", "PASS"));
+ console.log(({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS", "PASS"));
+ }
+ expect: {
+ console.log(42..length = "PASS");
+ console.log("foo".length = "PASS");
+ console.log(false.length = "PASS");
+ console.log(function() {}.length = "PASS");
+ console.log({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS");
+ }
+ expect_stdout: [
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ ]
+}
+
+collapse_rhs_false: {
+ options = {
+ collapse_vars: true,
+ pure_getters: false,
+ }
+ input: {
+ console.log((42..length = "PASS", "PASS"));
+ console.log(("foo".length = "PASS", "PASS"));
+ console.log((false.length = "PASS", "PASS"));
+ console.log((function() {}.length = "PASS", "PASS"));
+ console.log(({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS", "PASS"));
+ }
+ expect: {
+ console.log(42..length = "PASS");
+ console.log("foo".length = "PASS");
+ console.log(false.length = "PASS");
+ console.log(function() {}.length = "PASS");
+ console.log({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS");
+ }
+ expect_stdout: [
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ ]
+}
+
+collapse_rhs_strict: {
+ options = {
+ collapse_vars: true,
+ pure_getters: "strict",
+ }
+ input: {
+ console.log((42..length = "PASS", "PASS"));
+ console.log(("foo".length = "PASS", "PASS"));
+ console.log((false.length = "PASS", "PASS"));
+ console.log((function() {}.length = "PASS", "PASS"));
+ console.log(({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS", "PASS"));
+ }
+ expect: {
+ console.log(42..length = "PASS");
+ console.log("foo".length = "PASS");
+ console.log(false.length = "PASS");
+ console.log(function() {}.length = "PASS");
+ console.log({
+ get length() {
+ return "FAIL";
+ }
+ }.length = "PASS");
+ }
+ expect_stdout: [
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ "PASS",
+ ]
+}
+
+collapse_rhs_setter: {
+ options = {
+ collapse_vars: true,
+ pure_getters: "strict",
+ }
+ input: {
+ try {
+ console.log(({
+ set length(v) {
+ throw "PASS";
+ }
+ }.length = "FAIL", "FAIL"));
+ } catch (e) {
+ console.log(e);
+ }
+ }
+ expect: {
+ try {
+ console.log({
+ set length(v) {
+ throw "PASS";
+ }
+ }.length = "FAIL");
+ } catch (e) {
+ console.log(e);
+ }
+ }
+ expect_stdout: "PASS"
+}
+
+collapse_rhs_call: {
+ options = {
+ collapse_vars: true,
+ passes: 2,
+ pure_getters: "strict",
+ reduce_vars: true,
+ toplevel: true,
+ unused: true,
+ }
+ input: {
+ var o = {};
+ function f() {
+ console.log("PASS");
+ }
+ o.f = f;
+ f();
+ }
+ expect: {
+ ({}.f = function() {
+ console.log("PASS");
+ })();
+ }
+ expect_stdout: "PASS"
+}
+
+collapse_rhs_lhs: {
+ options = {
+ collapse_vars: true,
+ pure_getters: true,
+ }
+ input: {
+ function f(a, b) {
+ a.b = b, b += 2;
+ console.log(a.b, b);
+ }
+ f({}, 1);
+ }
+ expect: {
+ function f(a, b) {
+ a.b = b, b += 2;
+ console.log(a.b, b);
+ }
+ f({}, 1);
+ }
+ expect_stdout: "1 3"
+}
diff --git a/test/compress/sequences.js b/test/compress/sequences.js
index 03075bf1..12acbcf7 100644
--- a/test/compress/sequences.js
+++ b/test/compress/sequences.js
@@ -668,8 +668,7 @@ side_effects_cascade_2: {
}
expect: {
function f(a, b) {
- b = a,
- !a + (b += a) || (b += a),
+ !(b = a) + (b += a) || (b += a),
b = a;
}
}
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