{"id":49,"date":"2007-10-29T11:01:23","date_gmt":"2007-10-29T18:01:23","guid":{"rendered":"http:\/\/bclary.com\/blog\/2007\/10\/29\/assert-this-top-site-assertions-october-27-2007\/"},"modified":"2007-10-29T11:01:23","modified_gmt":"2007-10-29T18:01:23","slug":"assert-this-top-site-assertions-october-27-2007","status":"publish","type":"post","link":"https:\/\/bclary.com\/blog\/2007\/10\/29\/assert-this-top-site-assertions-october-27-2007\/","title":{"rendered":"Assert This! – Top Site Assertions, October 27, 2007"},"content":{"rendered":"

Assert This! – Top Site Assertions, October 27, 2007<\/h1>\n

No matter where you go, Jesse’s been there already.<\/p><\/blockquote>\n

\nDuring some top site testing of about 7,500 pages with a debug Minefield build on Linux over the weekend, I ran into the following assertions ordered by decreasing count. This should give some idea of the frequency of each in the wild.\n<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
2939<\/td>\nASSERTION: Computed overflow area must contain frame bounds: ‘aNewSize.width == 0 || aNewSize.height == 0 || aOverflowArea->Contains(nsRect(nsPoint(0, 0), aNewSize))’, file 1.9.0\/mozilla\/layout\/generic\/nsFrame.cpp, line 5222<\/a><\/td>\n<\/tr>\n
1756<\/td>\nASSERTION: bad argument: ‘(aRight > mLeft) && (aRight < mRight)’, file 1.9.0\/mozilla\/layout\/generic\/nsSpaceManager.cpp, line 1403<\/a><\/td>\n<\/tr>\n
1333<\/td>\nASSERTION: no user stylesheets in styleset, but we have one!: ‘numBefore > 0’, file 1.9.0\/mozilla\/layout\/base\/nsPresShell.cpp, line 1826<\/a><\/td>\n<\/tr>\n
751<\/td>\nASSERTION: invalid divisor: ‘Error’, file 1.9.0\/mozilla\/layout\/tables\/nsTableFrame.cpp, line 3287<\/a><\/td>\n<\/tr>\n
345<\/td>\nASSERTION: didn’t subtract all that we added: ‘totalSPref == 0 && totalSMin == 0 && totalSNonPctPref == 0 && nonPctCount == 0 && minOutsidePref == 0 && minWithinPref == 0 && (info.prefCoord == 0 || info.prefCoord == nscoord_MAX) && (info.prefPercent == 0.0f || !spanHasNonPct)’, file 1.9.0\/mozilla\/layout\/tables\/BasicTableLayoutStrategy.cpp, line 531<\/a><\/td>\n<\/tr>\n
271<\/td>\nASSERTION: nscoord addition will reach or pass nscoord_MAX: ‘(PRInt64)a + (PRInt64)b < (PRInt64)nscoord_MAX’, file ..\/..\/dist\/include\/gfx\/nsCoord.h, line 153<\/a><\/td>\n<\/tr>\n
258<\/td>\nASSERTION: unconstrained widths no longer supported: ‘aContainingBlockWidth != NS_UNCONSTRAINEDSIZE’, file 1.9.0\/mozilla\/layout\/base\/nsLayoutUtils.cpp, line 1641<\/a><\/td>\n<\/tr>\n
257<\/td>\nASSERTION: Doing nscoord addition with values > nscoord_MAX: ‘a < nscoord_MAX && b < nscoord_MAX’, file ..\/..\/dist\/include\/gfx\/nsCoord.h, line 151<\/a><\/td>\n<\/tr>\n
211<\/td>\nASSERTION: bad width: ‘Not Reached’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 177<\/a><\/td>\n<\/tr>\n
204<\/td>\nASSERTION: cannot call on a dirty frame not currently being reflowed: ‘!NS_SUBTREE_DIRTY(this) || (GetStateBits() & NS_FRAME_IN_REFLOW)’, file 1.9.0\/mozilla\/layout\/generic\/nsFrame.cpp, line 556<\/a><\/td>\n<\/tr>\n
132<\/td>\nASSERTION: shouldn’t use unconstrained widths anymore: ‘availableWidth != NS_UNCONSTRAINEDSIZE’, file 1.9.0\/mozilla\/layout\/generic\/nsHTMLReflowState.cpp, line 302<\/a><\/td>\n<\/tr>\n
132<\/td>\nASSERTION: nsStreamLoader not thread-safe: ‘_mOwningThread.GetThread() == PR_GetCurrentThread()’, file 1.9.0\/mozilla\/netwerk\/base\/src\/nsStreamLoader.cpp, line 65<\/a><\/td>\n<\/tr>\n
111<\/td>\nASSERTION: RefreshURIList timer callbacks should only be RefreshTimer objects: ‘rt’, file 1.9.0\/mozilla\/docshell\/base\/nsDocShell.cpp, line 4635<\/a><\/td>\n<\/tr>\n
93<\/td>\nASSERTION: update-band called late: ‘psd->mX == psd->mLeftEdge’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 307<\/a><\/td>\n<\/tr>\n
90<\/td>\nASSERTION: shouldn’t have unconstrained widths anymore: ‘psd->mRightEdge != NS_UNCONSTRAINEDSIZE’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 815<\/a><\/td>\n<\/tr>\n
48<\/td>\nASSERTION: shouldn’t have unconstrained widths anymore: ‘NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 1099<\/a><\/td>\n<\/tr>\n
45<\/td>\nASSERTION: XPConnect is being called on a scope without a ‘Components’ property!<\/a><\/td>\n<\/tr>\n
36<\/td>\nASSERTION: Should be in an update while destroying frames: ‘mUpdateCount != 0’, file 1.9.0\/mozilla\/layout\/base\/nsCSSFrameConstructor.cpp, line 9572<\/a><\/td>\n<\/tr>\n
35<\/td>\nASSERTION: Adding child where we already have a child? This will likely misbehave: ‘Error’, file 1.9.0\/mozilla\/docshell\/shistory\/src\/nsSHEntry.cpp, line 594<\/a><\/td>\n<\/tr>\n
30<\/td>\nASSERTION: deleting dirty buffer: ‘mBufDirty == PR_FALSE’, file 1.9.0\/mozilla\/netwerk\/cache\/src\/nsDiskCacheStreams.cpp, line 750<\/a><\/td>\n<\/tr>\n
30<\/td>\nASSERTION: Unhandled border style!!: ‘Not Reached’, file 1.9.0\/mozilla\/layout\/base\/nsCSSRendering.cpp, line 1928<\/a><\/td>\n<\/tr>\n
30<\/td>\nASSERTION: Non-border-colors case with borderColorStyleCount < 1 or > 3; what happened?: ‘Error’, file 1.9.0\/mozilla\/layout\/base\/nsCSSRendering.cpp, line 2112<\/a><\/td>\n<\/tr>\n
30<\/td>\nASSERTION: Flush() failed: ‘NS_SUCCEEDED(rv)’, file 1.9.0\/mozilla\/netwerk\/cache\/src\/nsDiskCacheStreams.cpp, line 461<\/a><\/td>\n<\/tr>\n
30<\/td>\nASSERTION: Failed to position iterator!: ‘NS_SUCCEEDED(rv)’, file 1.9.0\/mozilla\/content\/base\/src\/nsContentIterator.cpp, line 997<\/a><\/td>\n<\/tr>\n
27<\/td>\nASSERTION: RemovedAsPrimaryFrame called after PreDestroy: ‘PR_FALSE’, file 1.9.0\/mozilla\/layout\/forms\/nsTextControlFrame.cpp, line 1202<\/a><\/td>\n<\/tr>\n
22<\/td>\nASSERTION: iconv failed: ‘Error’, file 1.9.0\/mozilla\/xpcom\/io\/nsNativeCharsetUtils.cpp, line 572<\/td>\n<\/tr>\n
14<\/td>\nASSERTION: intrinsic widths out of order: ‘aMinCoord <= aPrefCoord’, file 1.9.0\/mozilla\/layout\/tables\/nsTableColFrame.h, line 190<\/a><\/td>\n<\/tr>\n
14<\/td>\nASSERTION: PushBack: ‘Not Reached’, file 1.9.0\/mozilla\/netwerk\/protocol\/http\/src\/nsHttpConnection.h, line 117<\/a><\/td>\n<\/tr>\n
13<\/td>\nASSERTION: bad width: ‘metrics.width>=0’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 956<\/a><\/td>\n<\/tr>\n
12<\/td>\nASSERTION: this shouldn’t happen anymore: ‘NS_UNCONSTRAINEDSIZE != aComputedWidth && NS_UNCONSTRAINEDSIZE != aAvailWidth’, file 1.9.0\/mozilla\/layout\/generic\/nsHTMLReflowState.cpp, line 1924<\/a><\/td>\n<\/tr>\n
12<\/td>\nASSERTION: shouldn’t use unconstrained widths anymore: ‘(mFrameType == NS_CSS_FRAME_TYPE_INLINE && !frame->IsFrameOfType(nsIFrame::eReplaced)) || frame->GetType() == nsGkAtoms::textFrame || mComputedWidth != NS_UNCONSTRAINEDSIZE’, file 1.9.0\/mozilla\/layout\/generic\/nsHTMLReflowState.cpp, line 323<\/a><\/td>\n<\/tr>\n
11<\/td>\nASSERTION: Shouldn’t have pending bindings!: ‘mAttachedStack.Length() == 0’, file 1.9.0\/mozilla\/content\/xbl\/src\/nsBindingManager.cpp, line 913<\/td>\n<\/tr>\n
10<\/td>\nASSERTION: invalid BC damage area: ‘PR_FALSE’, file 1.9.0\/mozilla\/layout\/tables\/nsTableFrame.cpp, line 3861<\/a><\/td>\n<\/tr>\n
8<\/td>\nASSERTION: evictionRank out of sync: ‘evictionRank == mapRecord->EvictionRank()’, file 1.9.0\/mozilla\/netwerk\/cache\/src\/nsDiskCacheMap.cpp, line 484<\/a><\/td>\n<\/tr>\n
7<\/td>\nASSERTION: no frame, see bug #188946: ‘frame’, file 1.9.0\/mozilla\/editor\/libeditor\/base\/nsEditor.cpp, line 4159<\/a><\/td>\n<\/tr>\n
7<\/td>\nASSERTION: didn’t subtract all that we added: ‘space == 0 && ((l2t == FLEX_PCT_LARGE) ? (-0.001f < basis.f && basis.f < 0.001f) : (basis.c == 0 || basis.c == nscoord_MAX))’, file 1.9.0\/mozilla\/layout\/tables\/BasicTableLayoutStrategy.cpp, line 1013<\/a><\/td>\n<\/tr>\n
7<\/td>\nASSERTION: can’t mark frame dirty during reflow: ‘!mIsReflowing’, file 1.9.0\/mozilla\/layout\/base\/nsPresShell.cpp, line 3132<\/a><\/td>\n<\/tr>\n
6<\/td>\nASSERTION: no unconstrained widths should be present anymore: ‘NS_UNCONSTRAINEDSIZE != aReflowState.ComputedWidth()’, file 1.9.0\/mozilla\/layout\/generic\/nsBlockReflowState.cpp, line 113<\/a><\/td>\n<\/tr>\n
6<\/td>\nASSERTION: This shouldn’t be called anymore: ‘Not Reached’, file 1.9.0\/mozilla\/layout\/generic\/nsLineLayout.cpp, line 2437<\/a><\/td>\n<\/tr>\n
5<\/td>\nASSERTION: subshell not in the map: ‘shellContent’, file 1.9.0\/mozilla\/docshell\/base\/nsDocShell.cpp, line 3782<\/a><\/td>\n<\/tr>\n
4<\/td>\nASSERTION: storage allocated for zero data size: ‘!mBinding->mRecord.DataLocationInitialized()’, file 1.9.0\/mozilla\/netwerk\/cache\/src\/nsDiskCacheStreams.cpp, line 372<\/td>\n<\/tr>\n
4<\/td>\nASSERTION: cannot call on a dirty frame not currently being reflowed: ‘!NS_SUBTREE_DIRTY(this) || (GetStateBits() & NS_FRAME_IN_REFLOW)’, file 1.9.0\/mozilla\/layout\/generic\/nsFrame.cpp, line 583<\/a><\/td>\n<\/tr>\n
4<\/td>\nASSERTION: Uh, LeaveModalState() called w\/o a reachable top window?: ‘Error’, file 1.9.0\/mozilla\/dom\/src\/base\/nsGlobalWindow.cpp, line 5219<\/a><\/td>\n<\/tr>\n
4<\/td>\nASSERTION: Failed to create scaled font: ‘cairo_scaled_font_status(scaledFont) == CAIRO_STATUS_SUCCESS’, file 1.9.0\/mozilla\/gfx\/thebes\/src\/gfxPangoFonts.cpp, line 672<\/td>\n<\/tr>\n
3<\/td>\nASSERTION: nsNSSComponent relies on profile manager to wait for synchronous shutdown of all network activity: ‘mIsNetworkDown’, file 1.9.0\/mozilla\/security\/manager\/ssl\/src\/nsNSSComponent.cpp, line 2311<\/a><\/td>\n<\/tr>\n
2<\/td>\nASSERTION: unexpected progress values: ‘progress <= progressMax’, file 1.9.0\/mozilla\/netwerk\/protocol\/http\/src\/nsHttpChannel.cpp, line 4483<\/a><\/td>\n<\/tr>\n
1<\/td>\nASSERTION: More UnblockOnload() calls than BlockOnload() calls; dropping call: ‘Not Reached’, file 1.9.0\/mozilla\/content\/base\/src\/nsDocument.cpp, line 5625<\/a><\/td>\n<\/tr>\n
1<\/td>\nASSERTION: CachedChromeStream doesn’t receive data: ‘Not Reached’, file 1.9.0\/mozilla\/content\/xul\/document\/src\/nsXULDocument.cpp, line 4339<\/a><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Assert This! – Top Site Assertions, October 27, 2007 No matter where you go, Jesse’s been there already. During some top site testing of about 7,500 pages with a debug Minefield build on Linux over the weekend, I ran into the following assertions ordered by decreasing count. This should give some idea of the frequency … Continue reading “Assert This! – Top Site Assertions, October 27, 2007”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-mozilla","category-testing"],"_links":{"self":[{"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/comments?post=49"}],"version-history":[{"count":0,"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/posts\/49\/revisions"}],"wp:attachment":[{"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/media?parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/categories?post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bclary.com\/blog\/wp-json\/wp\/v2\/tags?post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}