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-rw-r--r--test/compress/loops.js123
1 files changed, 123 insertions, 0 deletions
diff --git a/test/compress/loops.js b/test/compress/loops.js
new file mode 100644
index 00000000..cdf1f045
--- /dev/null
+++ b/test/compress/loops.js
@@ -0,0 +1,123 @@
+while_becomes_for: {
+ options = { loops: true };
+ input: {
+ while (foo()) bar();
+ }
+ expect: {
+ for (; foo(); ) bar();
+ }
+}
+
+drop_if_break_1: {
+ options = { loops: true };
+ input: {
+ for (;;)
+ if (foo()) break;
+ }
+ expect: {
+ for (; !foo(););
+ }
+}
+
+drop_if_break_2: {
+ options = { loops: true };
+ input: {
+ for (;bar();)
+ if (foo()) break;
+ }
+ expect: {
+ for (; bar() && !foo(););
+ }
+}
+
+drop_if_break_3: {
+ options = { loops: true };
+ input: {
+ for (;bar();) {
+ if (foo()) break;
+ stuff1();
+ stuff2();
+ }
+ }
+ expect: {
+ for (; bar() && !foo();) {
+ stuff1();
+ stuff2();
+ }
+ }
+}
+
+drop_if_break_4: {
+ options = { loops: true, sequences: true };
+ input: {
+ for (;bar();) {
+ x();
+ y();
+ if (foo()) break;
+ z();
+ k();
+ }
+ }
+ expect: {
+ for (; bar() && (x(), y(), !foo());) z(), k();
+ }
+}
+
+drop_if_else_break_1: {
+ options = { loops: true };
+ input: {
+ for (;;) if (foo()) bar(); else break;
+ }
+ expect: {
+ for (; foo(); ) bar();
+ }
+}
+
+drop_if_else_break_2: {
+ options = { loops: true };
+ input: {
+ for (;bar();) {
+ if (foo()) baz();
+ else break;
+ }
+ }
+ expect: {
+ for (; bar() && foo();) baz();
+ }
+}
+
+drop_if_else_break_3: {
+ options = { loops: true };
+ input: {
+ for (;bar();) {
+ if (foo()) baz();
+ else break;
+ stuff1();
+ stuff2();
+ }
+ }
+ expect: {
+ for (; bar() && foo();) {
+ baz();
+ stuff1();
+ stuff2();
+ }
+ }
+}
+
+drop_if_else_break_4: {
+ options = { loops: true, sequences: true };
+ input: {
+ for (;bar();) {
+ x();
+ y();
+ if (foo()) baz();
+ else break;
+ z();
+ k();
+ }
+ }
+ expect: {
+ for (; bar() && (x(), y(), foo());) baz(), z(), k();
+ }
+}