add lossless bitreader eos test files
ensures bitreader shifts are within bounds at eos.
cwebp -quiet -alpha_cleanup -alpha_method 1 -alpha_q 76 \
test_alpha100x100.png -o lossy_alpha4.webp
cwebp -near_lossless 75 lossless_pattern2.png -o near_lossless_75.webp
cwebp lossless_dlnidfgmdgiajhbpc.png -q 50 -lossless -m 1 -o lossless4.webp
related change
https://gerrit.chromium.org/gerrit/#/c/74366/
7a01c3c VP8LBitReader: fix remaining ubsan error with large shifts
Change-Id: I50faa04bbbb881e703c01384929763abadc058bf
diff --git a/libwebp_tests.md5 b/libwebp_tests.md5
index f9cc06a..eaa301c 100644
--- a/libwebp_tests.md5
+++ b/libwebp_tests.md5
@@ -403,3 +403,18 @@
a6b90760b4aabf97de791615aca4a7f8 lossy_q0_f100.webp.pgm
763daa9c8675c3cdcc036f4b5dc1d4d0 lossy_q0_f100.webp.ppm
b775ced3255b2c05ee665a27f118fb70 lossy_q0_f100.webp.tiff
+b5c041d9a4f47452072ac69eaa6455cd lossless4.webp.bmp
+85a73782fe7504bae587af5aea111844 lossless4.webp.pam
+147b72dcacdb989714877612e927504b lossless4.webp.pgm
+f434b118e30f3146c49db487e1ff2ba5 lossless4.webp.ppm
+f454e465929a39dff92d92cd81137d07 lossless4.webp.tiff
+e9faa6bf5b371990a38ad70551ce9a01 lossy_alpha4.webp.bmp
+7615542306e9324ba3abab7d202169b2 lossy_alpha4.webp.pam
+96507416669c3135a73ced1b4f79d45c lossy_alpha4.webp.pgm
+b6334676e9e40b4b7b6f7aa483f55df9 lossy_alpha4.webp.ppm
+634a0236798321b1ea31772410fb56dc lossy_alpha4.webp.tiff
+501113e927e73c99e90f874bc635e06d near_lossless_75.webp.bmp
+dc04940d59a46f514c00cd7c90393c13 near_lossless_75.webp.pam
+ef032f8837e7245def5ab012f7a04c8d near_lossless_75.webp.pgm
+a81c1e1c64508cdea757fd2ac8f9d31b near_lossless_75.webp.ppm
+719e5b6db967d639f50b6da4131262b7 near_lossless_75.webp.tiff
diff --git a/lossless4.webp b/lossless4.webp
new file mode 100644
index 0000000..b7a77b5
--- /dev/null
+++ b/lossless4.webp
Binary files differ
diff --git a/lossy_alpha4.webp b/lossy_alpha4.webp
new file mode 100644
index 0000000..0f99d2a
--- /dev/null
+++ b/lossy_alpha4.webp
Binary files differ
diff --git a/near_lossless_75.webp b/near_lossless_75.webp
new file mode 100644
index 0000000..8aa6a72
--- /dev/null
+++ b/near_lossless_75.webp
Binary files differ
