diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/wasm/multi-memory/memory_copy.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/multi-memory/memory_copy.js b/js/src/jit-test/tests/wasm/multi-memory/memory_copy.js new file mode 100644 index 0000000000..e619200337 --- /dev/null +++ b/js/src/jit-test/tests/wasm/multi-memory/memory_copy.js @@ -0,0 +1,45 @@ + +// A simple test case for memory.copy between different memories. +// See bug 1861267. + +let i = wasmEvalText( +`(module + (memory $$mem0 (data "staubfaenger")) + (memory $$mem1 (data "\\ee\\22\\55\\ff")) + (memory $$mem2 (data "\\dd\\33\\66\\00")) + (memory $$mem3 (data "schnickschnack")) + + (func (export "copy0to3") (param i32 i32 i32) + (memory.copy $$mem3 $$mem0 + (local.get 0) + (local.get 1) + (local.get 2)) + ) + (func (export "copy3to0") (param i32 i32 i32) + (memory.copy $$mem0 $$mem3 + (local.get 0) + (local.get 1) + (local.get 2)) + ) + + (func (export "read0") (param i32) (result i32) + (i32.load8_u $$mem0 (local.get 0)) + ) + (func (export "read3") (param i32) (result i32) + (i32.load8_u $$mem3 (local.get 0)) + ) +)`); + +i.exports.copy0to3(4, 5, 6); +let s = ""; +for (let ix = 0; ix < 14; ix++) { + s = s + String.fromCharCode(i.exports.read3(ix)); +} + +i.exports.copy3to0(8, 2, 7); +s = s + "_"; +for (let ix = 0; ix < 12; ix++) { + s = s + String.fromCharCode(i.exports.read0(ix)); +} + +assertEq(s, "schnfaengenack_staubfaehnfa"); |