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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/parser/bytecode-sharing.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/parser/bytecode-sharing.js')
-rw-r--r-- | js/src/jit-test/tests/parser/bytecode-sharing.js | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/bytecode-sharing.js b/js/src/jit-test/tests/parser/bytecode-sharing.js new file mode 100644 index 0000000000..26f0ac429c --- /dev/null +++ b/js/src/jit-test/tests/parser/bytecode-sharing.js @@ -0,0 +1,103 @@ +// Test that bytecode is still shared when expected. The expectations can be +// updated if necessary. + + +// Check the testing function. +evaluate(`function a01(){ return a + b; }`) +evaluate(`function a02(){ return a + b; }`) +evaluate(`function a03(){ return a + b + c; }`) +assertEq(hasSameBytecodeData(a01, a02), true) +assertEq(hasSameBytecodeData(a01, a03), false) + + +// Check effect of whitespace. +evaluate(`function b(){}`) +evaluate(`function b01(){}`) +evaluate(`function b02 (){}`) +evaluate(`function b03( ){}`) +evaluate(`function b04() {}`) +evaluate(`function b05(){ }`) +assertEq(hasSameBytecodeData(b, b01), true) +assertEq(hasSameBytecodeData(b, b02), true) +assertEq(hasSameBytecodeData(b, b03), false) +assertEq(hasSameBytecodeData(b, b04), false) +assertEq(hasSameBytecodeData(b, b05), false) + + +// Check effect of binding names. +evaluate(`function c01(){ return a; }`) +evaluate(`function c02(){ return b; }`) +evaluate(`function c03(){ return cc; }`) +assertEq(hasSameBytecodeData(c01, c02), true) +assertEq(hasSameBytecodeData(c01, c03), false) + + +// Check effect of string literals. +evaluate(`function d01(){ return "AA"; }`) +evaluate(`function d02(){ return "BB"; }`) +assertEq(hasSameBytecodeData(d01, d02), true) + + +// Check effect of string template literals. +evaluate("function e01(){ return a`AA`; }") +evaluate("function e02(){ return b`BB`; }") +assertEq(hasSameBytecodeData(e01, e02), true) + + +// Check effect of object literals. +evaluate(`function f01(){ return { a: 1 }; }`) +evaluate(`function f02(){ return { b: 1 }; }`) +evaluate(`function f03(){ return { b: 2 }; }`) +assertEq(hasSameBytecodeData(f01, f02), true) +assertEq(hasSameBytecodeData(f01, f03), false) + + +// Check effect of inner functions. +evaluate(`function g01(){ return () => 0; }`) +evaluate(`function g02(){ return () => 0; }`) +evaluate(`function g03(){ return () => a; }`) +assertEq(hasSameBytecodeData(g01, g02), true) +assertEq(hasSameBytecodeData(g01, g03), true) + + +// Check effect of line number. +evaluate(`function h01(){ return 0; }`) +evaluate(`\nfunction h02(){ return 0; }`) +evaluate(`\n\n\n\n\n\n\nfunction h03(){ return 0; }`) +assertEq(hasSameBytecodeData(h01, h02), true) +assertEq(hasSameBytecodeData(h01, h03), true) + + +// Check effect of line number when function has large gaps in it. This +// corresponds to SetLine source-notes. +evaluate(`function i01(){ return\n\n\n\n\n\n\n\n0; }`) +evaluate(`\nfunction i02(){ return\n\n\n\n\n\n\n\n0; }`) +evaluate(`\n\n\n\n\n\n\nfunction i03(){ return\n\n\n\n\n\n\n\n0; }`) +assertEq(hasSameBytecodeData(i01, i02), true) +assertEq(hasSameBytecodeData(i01, i03), true) + + +// Check effect of column number. +evaluate(`function j01(){ return 0; }`) +evaluate(` function j02(){ return 0; }`) +evaluate(` \tfunction j03(){ return 0; }`) +assertEq(hasSameBytecodeData(j01, j02), true) +assertEq(hasSameBytecodeData(j01, j03), true) + + +// Check different forms of functions. +evaluate(`function k01 () { return 0; }`) +evaluate(`var k02 = function() { return 0; }`) +evaluate(`var k03 = () => { return 0; }`) +assertEq(hasSameBytecodeData(k01, k02), true) +assertEq(hasSameBytecodeData(k01, k03), true) + + +// Check sharing across globals / compartments. +let l02_global = newGlobal({newCompartment: false}); +let l03_global = newGlobal({newCompartment: true}); +evaluate(`function l01() { return 0; }`) +l02_global.evaluate(`function l02() { return 0; }`) +l03_global.evaluate(`function l03() { return 0; }`) +assertEq(hasSameBytecodeData(l01, l02_global.l02), true) +assertEq(hasSameBytecodeData(l01, l03_global.l03), true) |