From d8bbc7858622b6d9c278469aab701ca0b609cddf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 15 May 2024 05:35:49 +0200 Subject: Merging upstream version 126.0. Signed-off-by: Daniel Baumann --- js/src/jsapi-tests/testSparseBitmap.cpp | 47 ++++++++++++++++++++++++++++++++- 1 file changed, 46 insertions(+), 1 deletion(-) (limited to 'js/src/jsapi-tests/testSparseBitmap.cpp') diff --git a/js/src/jsapi-tests/testSparseBitmap.cpp b/js/src/jsapi-tests/testSparseBitmap.cpp index bd5e7fee95..936132ab0c 100644 --- a/js/src/jsapi-tests/testSparseBitmap.cpp +++ b/js/src/jsapi-tests/testSparseBitmap.cpp @@ -111,5 +111,50 @@ BEGIN_TEST(testSparseBitmapExternalOR) { return true; } - END_TEST(testSparseBitmapExternalOR) + +BEGIN_TEST(testSparseBitmapExternalAND) { + // Testing ANDing data from an external array. + + const size_t wordCount = 4; + + // Create a bitmap with two bits set per word based on the word index. + SparseBitmap bitmap; + for (size_t i = 0; i < wordCount; i++) { + bitmap.setBit(i * JS_BITS_PER_WORD + i); + bitmap.setBit(i * JS_BITS_PER_WORD + i + 1); + } + + // Update a single word, clearing one of the bits. + uintptr_t source[wordCount]; + CHECK(bitmap.getBit(0)); + CHECK(bitmap.getBit(1)); + source[0] = ~(1 << 1); + bitmap.bitwiseAndRangeWith(0, 1, source); + CHECK(bitmap.getBit(0)); + CHECK(!bitmap.getBit(1)); + + // Update a word at an offset. + CHECK(bitmap.getBit(JS_BITS_PER_WORD + 1)); + CHECK(bitmap.getBit(JS_BITS_PER_WORD + 2)); + source[0] = ~(1 << 2); + bitmap.bitwiseAndRangeWith(1, 1, source); + CHECK(bitmap.getBit(JS_BITS_PER_WORD + 1)); + CHECK(!bitmap.getBit(JS_BITS_PER_WORD + 2)); + + // Update multiple words at an offset. + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 2 + 2)); + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 2 + 3)); + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 3 + 3)); + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 3 + 4)); + source[0] = ~(1 << 3); + source[1] = ~(1 << 4); + bitmap.bitwiseAndRangeWith(2, 2, source); + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 2 + 2)); + CHECK(!bitmap.getBit(JS_BITS_PER_WORD * 2 + 3)); + CHECK(bitmap.getBit(JS_BITS_PER_WORD * 3 + 3)); + CHECK(!bitmap.getBit(JS_BITS_PER_WORD * 3 + 4)); + + return true; +} +END_TEST(testSparseBitmapExternalAND) -- cgit v1.2.3