From af52f13e22465ade4c839963d80398c8ee216573 Mon Sep 17 00:00:00 2001
From: Andrey Lushnikov <lushnikov@chromium.org>
Date: Fri, 16 Jun 2017 22:02:03 -0700
Subject: [PATCH] Add screenshot test to verify clipping of offscreen areas.

---
 test/golden/screenshot-offscreen-clip.png | Bin 0 -> 1513 bytes
 test/test.js                              |  15 +++++++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)
 create mode 100644 test/golden/screenshot-offscreen-clip.png

diff --git a/test/golden/screenshot-offscreen-clip.png b/test/golden/screenshot-offscreen-clip.png
new file mode 100644
index 0000000000000000000000000000000000000000..fac15c30e0b3c92ff2560ab1763eb95837fb4ae0
GIT binary patch
literal 1513
zcmbVM{WsGK82{?+GA0@2Wt8%=d(*X)mx)}n3D;eQ@^Y<BeYq$un_Q8|-OP&Rbk++k
zu_B#poDq2mjb?ZEdMDh?>src7B_=lM&N=rFxZQI;&-489c|PZJ&ht4B!yk7H3Ne8I
z008yz#ssJ*xKWzh)IDM9Mi2mOt@6Qm1f{U&*+g$J(ukg6)3k$4#<2KdB5;=jff4{_
zgQI4_mZ45VF<)-`i!x_v@xoW2^#MZ@OY8kR1M?#pg;yXhQBQ9oXnW^_+TPLhW3u`M
ze2bj1;m$eoK*6DDc7YvnGM%@iYQ8YOD2qs<b_dVQ&Puj=W+MPZt<~;j3iU<G7ki-i
zL(cR{bB6IX__8N5EyALm^q<jlp#4xw-mCVhV%2*moz^`Cq<lY7cdcxC_dD8&;|61^
zaq!?bl0GDGAI!qrPbSrxUG*TByX}IEqW_Ab^gNT+_}0|c3MLa;<>ZLCIOxg8hE5$X
z&kw>F0YpkZyjrCuKit-dP9^+^^e!t__218En^l}nNYML<>lj`k7JL*s2LuLAlIsr-
z!CqvZ)$*b>yZ=FU{yFZc{|(v^jg9r4o#?sbBVw`GpFl86aCdPr(bCdFTwEP4QZzNW
z5)_yc$73Ej@YwE0*lN8xNuFH`g;QRRn7CBrp!=t(?3<SzLSfP%j3${EPD9d(Rl-T;
zm4DfbBPl>@R~K_;$lz5_+w@`ykN5pv#a<5{vzZ1#EwQz!AFe&a-VC#~wJqjyp{T9b
z81Xi_w?I@;u&87?9LW(}5cz}Fk}5twtE&qabgI*E#1}Ebhu<>Xa85;9Y(I*ELZQ!7
z*JJQ;)H5u(b7{Wke7(Qsj_d3Yo!_5lDl&e(g80&sD7`1E)I$vv1$wsAq|pUg-P4<a
z!!Iw<xLhthZDC;{Mb*alt}_rk<ik5P$j)mU)T{9pc>HBzLqmh|!z`1@bW5|cvH~`_
zld4iVT2Az_rsw%er80Sy?*LulJ9va>9{gHZnv=Y=FVXe(L4ZEyiagVO?G_vdUx3%G
zUf=BYRboln_3kZsn`l1gh)z0t2=*2P`$?GUmk9OMU#~e<K+;>{jD9Es(Pf|jN`rr-
zR7OfB`%!q@CwKat&L~Su%PrDI_Nt4k`S!xXLOoN{t4d{RZf-8grPXMkg95`D_%yf&
zRkkdD$~vi4IiyW*yUb!49CmaR#6CHllw{E1Thz1US~za8$g_H|-|uvzN@lIrYG`a+
z5GyFoDzBqaQBf0%t5q}W$0%<2wW%<48G1a858uVR*Jd2bJRiz*kA%s2HGk&^-k^Q!
z3zJVRp6MAIW6p_d+|B}3wY6pSMF_OQK}lh=<j8HJ1rkSEO-JG1J=23tbPa?pU(De4
zXaS<f;=U8dx5U?(zR!M>7E5G0eMXT%ls-4{n@dy;rHwdd-R$FoY@c%qY~F1)dkX-9
zAeCTu-IZ5T>50`vod~iKr_Zee)z#GqJ3D%Z%p+s5T$C(Wi6$~VXz*aQ$EovvEZF*Q
zIlcOMuh;8Hj(2+d`}Z~6MVdds$nNT)x@;s!Cnvf(t?cGy4(}+Mn)}4hETlTbc33Jk
z=*1byOvs?Gbwx!5DLPv7CQ@kZ6)vhAmuC0BZ5J+mcAJI4U^xs1Bk4%Q+UxGbV65)r
z433mLinXMpx{y<WZMah?jUb@3wDir)3_2h{KQ=aYLXp}lk(j<s7Np=JnTaEqdb>@2
ztj3gKm>ih+G>RSW`woxCYXC?i9V2sdFW<L;4KobPqxWjna7ez)I8@gHCRa!J|He3l
c13$RFS>H2lMSsWOMfD2@e6TnS4^7JY2XG&>`2YX_

literal 0
HcmV?d00001

diff --git a/test/test.js b/test/test.js
index d7fd5e64c87..7dc45ea701b 100644
--- a/test/test.js
+++ b/test/test.js
@@ -215,7 +215,6 @@ describe('Puppeteer', function() {
             var screenshot = await page.screenshot();
             expect(screenshot).toBeGolden('screenshot-sanity.png');
         }));
-
         it('should clip rect', SX(async function() {
             await page.setViewportSize({width: 500, height: 500});
             await page.navigate(STATIC_PREFIX + '/grid.html');
@@ -229,7 +228,19 @@ describe('Puppeteer', function() {
             });
             expect(screenshot).toBeGolden('screenshot-clip-rect.png');
         }));
-
+        it('should work for offscreen clip', SX(async function() {
+            await page.setViewportSize({width: 500, height: 500});
+            await page.navigate(STATIC_PREFIX + '/grid.html');
+            var screenshot = await page.screenshot({
+                clip: {
+                    x: 50,
+                    y: 600,
+                    width: 100,
+                    height: 100
+                }
+            });
+            expect(screenshot).toBeGolden('screenshot-offscreen-clip.png');
+        }));
         it('should run in parallel', SX(async function() {
             await page.setViewportSize({width: 500, height: 500});
             await page.navigate(STATIC_PREFIX + '/grid.html');