diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/compress/reduce_vars.js | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/test/compress/reduce_vars.js b/test/compress/reduce_vars.js new file mode 100644 index 00000000..a1d05012 --- /dev/null +++ b/test/compress/reduce_vars.js @@ -0,0 +1,171 @@ +reduce_vars: { + options = { + conditionals : true, + evaluate : true, + global_defs : { + C : 0 + }, + reduce_vars : true, + unused : true + } + input: { + var A = 1; + (function f0() { + var a = 2; + console.log(a - 5); + console.log(A - 5); + })(); + (function f1() { + var a = 2; + console.log(a - 5); + eval("console.log(a);"); + })(); + (function f2(eval) { + var a = 2; + console.log(a - 5); + eval("console.log(a);"); + })(eval); + (function f3() { + var b = typeof C !== "undefined"; + var c = 4; + if (b) { + return 'yes'; + } else { + return 'no'; + } + })(); + console.log(A + 1); + } + expect: { + var A = 1; + (function() { + console.log(-3); + console.log(-4); + })(); + (function f1() { + var a = 2; + console.log(-3); + eval("console.log(a);"); + })(); + (function f2(eval) { + var a = 2; + console.log(-3); + eval("console.log(a);"); + })(eval); + (function() { + return "yes"; + })(); + console.log(2); + } +} + +modified: { + options = { + conditionals : true, + evaluate : true, + reduce_vars : true, + unused : true + } + input: { + function f0() { + var a = 1, b = 2; + b++; + console.log(a + 1); + console.log(b + 1); + } + + function f1() { + var a = 1, b = 2; + --b; + console.log(a + 1); + console.log(b + 1); + } + + function f2() { + var a = 1, b = 2, c = 3; + b = c; + console.log(a + b); + console.log(b + c); + console.log(a + c); + console.log(a + b + c); + } + + function f3() { + var a = 1, b = 2, c = 3; + b *= c; + console.log(a + b); + console.log(b + c); + console.log(a + c); + console.log(a + b + c); + } + + function f4() { + var a = 1, b = 2, c = 3; + if (a) { + b = c; + } else { + c = b; + } + console.log(a + b); + console.log(b + c); + // TODO: as "modified" is determined in "figure_out_scope", + // even "passes" wouldn't improve this any further + console.log(a + c); + console.log(a + b + c); + } + + function f5(a) { + B = a; + console.log(A ? 'yes' : 'no'); + console.log(B ? 'yes' : 'no'); + } + } + expect: { + function f0() { + var b = 2; + b++; + console.log(2); + console.log(b + 1); + } + + function f1() { + var b = 2; + --b; + console.log(2); + console.log(b + 1); + } + + function f2() { + var a = 1, b = 2, c = 3; + b = c; + console.log(a + b); + console.log(b + c); + console.log(4); + console.log(a + b + c); + } + + function f3() { + var a = 1, b = 2, c = 3; + b *= c; + console.log(a + b); + console.log(b + c); + console.log(4); + console.log(a + b + c); + } + + function f4() { + var a = 1, b = 2, c = 3; + b = c; + console.log(a + b); + console.log(b + c); + console.log(a + c); + console.log(a + b + c); + } + + function f5(a) { + B = a; + console.log(A ? 'yes' : 'no'); + console.log(B ? 'yes' : 'no'); + } + } +}
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