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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2018-08-29 11:34:34 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-08-29 11:34:34 +0800 |
| commit | f352bcec3ab48b1dafd5fdf698f99398c4cf52ff (patch) | |
| tree | 9110a7611545f2a0a60a1cee9b94958cbb4353bc /test/compress/collapse_vars.js | |
| parent | 08514030f4140cb604f2b316987280a29c02883e (diff) | |
| download | tracifyjs-f352bcec3ab48b1dafd5fdf698f99398c4cf52ff.tar.gz tracifyjs-f352bcec3ab48b1dafd5fdf698f99398c4cf52ff.zip | |
fix corner case in `collapse_vars` (#3239)
fixes #3238
Diffstat (limited to 'test/compress/collapse_vars.js')
| -rw-r--r-- | test/compress/collapse_vars.js | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js index 31eb2383..d1c26c68 100644 --- a/test/compress/collapse_vars.js +++ b/test/compress/collapse_vars.js @@ -5827,3 +5827,183 @@ issue_3215_4: { } expect_stdout: "number" } + +issue_3238_1: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = Object.create(null); + c = Object.create(null); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = Object.create(null); + c = Object.create(null); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} + +issue_3238_2: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = Error(); + c = Error(); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = Error(); + c = Error(); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} + +issue_3238_3: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = new Date(); + c = new Date(); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = new Date(); + c = new Date(); + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} + +issue_3238_4: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = a && {}; + c = a && {}; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = a && {}; + c = a && {}; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} + +issue_3238_5: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = a ? [] : 42; + c = a ? [] : 42; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = a ? [] : 42; + c = a ? [] : 42; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} + +issue_3238_6: { + options = { + collapse_vars: true, + unsafe: true, + } + input: { + function f(a) { + var b, c; + if (a) { + b = a && 0 || []; + c = a && 0 || []; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect: { + function f(a) { + var b, c; + if (a) { + b = a && 0 || []; + c = a && 0 || []; + } + return b === c; + } + console.log(f(0), f(1)); + } + expect_stdout: "true false" +} |