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8 Commits

Author SHA1 Message Date
Ryan Harrison 1c1b9762ce Add tests for fuzzers::RandomGenerator 
BUG=tint:1019

Change-Id: Ia462080877a97348c5589bfa71231a832a7ebfd3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/70081
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
 2021-11-24 14:55:05 +00:00
Ryan Harrison 5f5d43ff51 Disallow copy and assign for DataBuilder & RandomGenerator 
BUG=tint:1247

Change-Id: I48f7b1e1679bcba43e4c284b2f97a02210feabb3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66740
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2021-10-18 18:46:57 +00:00
emiljanogj 8045166b16 Remove RandomGenerator destructor 
Defining a destructor for the RandomGenerator would
throw an error when calling the copy constructor of
the class.

Change-Id: I1cff86cb75b2e252a52e3fbd03ecb08e7a11b519
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66181
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
 2021-10-18 00:53:27 +00:00
Ryan Harrison 7f3b68edd5 Explictly use 64-bit random engine 
Avoids downcasting issues for the seed on platforms where the random
engine is actually 32-bit.

Change-Id: Ia9e4cffb688e7c82f3f088b71f99002b76ad1df3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/65640
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2021-10-04 14:40:26 +00:00
Ryan Harrison c57642cbd5 Refactor fuzzer transform generation 
Also splits out various utility classes from tint_common_fuzzer and
uses consistent naming for utility classes.

BUG=tint:1106

Change-Id: Ic343741eea799366850c46834865d50885554a84
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/65301
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
 2021-09-30 18:58:32 +00:00
egj 2228ad19af Regex fuzzer: Add return statement inside a randomly-chosen function 
Adds a return statement in the body of a randomly-chosen function.
The return value is a randomly-chosen identifier or literal from
the WGSL shader.

Fixes: tint:1115.

Change-Id: Icdc4ff669cda343244e158ce791b4085fd52f7b9
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/61781
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Alastair Donaldson <afdx@google.com>
Commit-Queue: Alastair Donaldson <afdx@google.com>
 2021-09-28 14:57:54 +00:00
Ryan Harrison a617d0f0fc Convert fuzzer to generating configuration data 
This is instead of consuming a portion of the input, so that the seed
corpus of valid shaders can be more effective.

BUG=tint:1098

Change-Id: If3696527c82c23b09edeea6ddd2a0f935e5e1ac7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/63301
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
 2021-09-22 14:37:46 +00:00
Ryan Harrison 5dc0ea7cce Unify fuzzer random number generation into a single class 
BUG=tint:1098

Change-Id: I84931804515487d931bbbb5f0d5239d03ca76dfc
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/63300
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Alastair Donaldson <afdx@google.com>
 2021-09-03 00:59:35 +00:00