diff --git a/crates/core/tests/fixtures/google_sheets/bugs.tsv b/crates/core/tests/fixtures/google_sheets/bugs.tsv
index 59adc1ee5..679296431 100644
--- a/crates/core/tests/fixtures/google_sheets/bugs.tsv
+++ b/crates/core/tests/fixtures/google_sheets/bugs.tsv
@@ -2236,3 +2236,4 @@ SHEET inside IF	=IF(SHEET()=1,"first sheet","other")	other	nested	string
 STEYX with floating-point coordinates	=STEYX({1.1,2.2,3.3,4.4},{0.9,1.8,2.7,3.6})	#NUM!	compatibility	error
 SHEETS with no argument returns count of sheets	=SHEETS()	19	official	number
 GS and Excel both have SHEETS function	=SHEETS()	19	compatibility	number
+MIN with a sparkline and an empty array	=MIN(SPARKLINE({1,2,3}),{})	#REF!	edge	error
diff --git a/crates/core/tests/fixtures/google_sheets/google.tsv b/crates/core/tests/fixtures/google_sheets/google.tsv
index c06d3a69e..c1bcd2a5a 100644
--- a/crates/core/tests/fixtures/google_sheets/google.tsv
+++ b/crates/core/tests/fixtures/google_sheets/google.tsv
@@ -13,3 +13,117 @@ too many arguments returns error	=ARRAYFORMULA({1,2},{3,4})	#N/A	error	error
 nested ARRAYFORMULA SUM in IF	=IF(ARRAYFORMULA(SUM({1,2,3}))=6,"correct","wrong")	correct	nested	string
 nested ARRAYFORMULA with UPPER	=ARRAYFORMULA(UPPER({"hello","world"}))	HELLO	nested	string
 GS-only — Excel uses Ctrl+Shift+Enter array formulas or dynamic arrays natively	=ARRAYFORMULA({1,2,3}*{4,5,6})	4	compatibility	number
+SPARKLINE default line chart from an array	=SPARKLINE({1,2,3})		official	string
+SPARKLINE TYPE of the result	=TYPE(SPARKLINE({1,2,3}))	128	edge	number
+SPARKLINE ISERROR of a valid result	=ISERROR(SPARKLINE({1,2,3}))	FALSE	edge	boolean
+SPARKLINE ISNA of a valid result	=ISNA(SPARKLINE({1,2,3}))	FALSE	edge	boolean
+SPARKLINE arithmetic coercion	=SPARKLINE({1,2,3})+1	#VALUE!	edge	error
+SPARKLINE text length coercion	=LEN(SPARKLINE({1,2,3}))	0	edge	number
+SPARKLINE concatenation coercion	="x"&SPARKLINE({1,2,3})	#VALUE!	edge	error
+SPARKLINE wrapped in N	=N(SPARKLINE({1,2,3}))	0	edge	number
+SPARKLINE wrapped in TO_TEXT	=TO_TEXT(SPARKLINE({1,2,3}))		edge	string
+SPARKLINE compared for equality with itself	=SPARKLINE({1,2,3})=SPARKLINE({1,2,3})	TRUE	edge	boolean
+SPARKLINE explicit column charttype	=SPARKLINE({1,2,3},{"charttype","column"})		official	string
+SPARKLINE explicit bar charttype with two values	=SPARKLINE({1,2},{"charttype","bar"})		official	string
+SPARKLINE explicit winloss charttype	=SPARKLINE({1,-1,1},{"charttype","winloss"})		official	string
+SPARKLINE line charttype with color option	=SPARKLINE({1,2,3},{"charttype","line";"color","red"})		official	string
+SPARKLINE with ymin and ymax	=SPARKLINE({1,2,3},{"ymin",0;"ymax",10})		official	string
+SPARKLINE with unknown option key	=SPARKLINE({1,2,3},{"bogus","x"})		edge	string
+SPARKLINE with unknown charttype value	=SPARKLINE({1,2,3},{"charttype","bogus"})	#VALUE!	edge	error
+SPARKLINE bar charttype with three values	=SPARKLINE({1,2,3},{"charttype","bar"})		edge	string
+SPARKLINE with an odd-shaped options array	=SPARKLINE({1,2,3},{"charttype"})	#REF!	edge	error
+SPARKLINE with a scalar instead of a range	=SPARKLINE(5)	#N/A	edge	error
+SPARKLINE with an empty array	=SPARKLINE({})	#REF!	edge	error
+SPARKLINE with text inside the data	=SPARKLINE({1,"a",3})		edge	string
+SPARKLINE with an invalid array literal (Sheets rejects the {1,,3} syntax itself)	=SPARKLINE({1,,3})	#ERROR!	edge	error
+SPARKLINE with all-negative data	=SPARKLINE({-1,-2,-3})		edge	string
+SPARKLINE with a single value	=SPARKLINE({5})	#N/A	edge	error
+SPARKLINE with no arguments	=SPARKLINE()	#N/A	edge	error
+SPARKLINE over a real range containing a genuine blank cell	=SPARKLINE(Data!H1:H3)		edge	string
+SPARKLINE over a real range with all values present	=SPARKLINE(Data!I1:I3)		edge	string
+identity: unknown option key vs no options	=SPARKLINE({1,2,3},{"bogus","x"})=SPARKLINE({1,2,3})	TRUE	edge	boolean
+identity: redundant recognised option vs no options	=SPARKLINE({1,2,3},{"charttype","line"})=SPARKLINE({1,2,3})	TRUE	edge	boolean
+identity: two different unknown option values	=SPARKLINE({1,2,3},{"bogus","x"})=SPARKLINE({1,2,3},{"bogus","y"})	TRUE	edge	boolean
+identity: different data is not equal	=SPARKLINE({1,2,3})=SPARKLINE({9,9,9})	TRUE	edge	boolean
+identity: different charttype is not equal	=SPARKLINE({1,2,3},{"charttype","column"})=SPARKLINE({1,2,3},{"charttype","line"})	TRUE	edge	boolean
+comparison alias EQ on identical sparklines	=EQ(SPARKLINE({1,2,3}),SPARKLINE({1,2,3}))	TRUE	edge	boolean
+comparison alias NE on identical sparklines	=NE(SPARKLINE({1,2,3}),SPARKLINE({1,2,3}))	FALSE	edge	boolean
+comparison operator <> on identical sparklines	=SPARKLINE({1,2,3})<>SPARKLINE({1,2,3})	FALSE	edge	boolean
+ordering: sparkline greater-than a number	=SPARKLINE({1,2,3})>1	TRUE	edge	boolean
+ordering: sparkline greater-than text	=SPARKLINE({1,2,3})>"zzzz"	TRUE	edge	boolean
+ordering: sparkline greater-than boolean	=SPARKLINE({1,2,3})>TRUE	TRUE	edge	boolean
+ordering: sparkline greater-than another sparkline	=SPARKLINE({1,2,3})>SPARKLINE({9,9,9})	FALSE	edge	boolean
+ordering: sparkline less-than another sparkline	=SPARKLINE({1,2,3})<SPARKLINE({9,9,9})	FALSE	edge	boolean
+ordering: sparkline >= itself	=SPARKLINE({1,2,3})>=SPARKLINE({1,2,3})	TRUE	edge	boolean
+ordering: alias GTE on two sparklines	=GTE(SPARKLINE({1,2,3}),SPARKLINE({9,9,9}))	TRUE	edge	boolean
+identity: sparkline compared to empty text	=SPARKLINE({1,2,3})=""	FALSE	edge	boolean
+text coercion via LEFT	=LEFT(SPARKLINE({1,2,3}),1)		edge	string
+text coercion via EXACT against empty text	=EXACT(SPARKLINE({1,2,3}),"")	TRUE	edge	boolean
+text coercion via TEXT	=TEXT(SPARKLINE({1,2,3}),"0")		edge	string
+text coercion via CONCATENATE	=CONCATENATE(SPARKLINE({1,2,3}),"x")	x	edge	string
+text coercion via TEXTJOIN	=TEXTJOIN(",",TRUE,SPARKLINE({1,2,3}))		edge	string
+boolean coercion via IF condition	=IF(SPARKLINE({1,2,3}),1,2)	2	edge	number
+COUNTA of a sparkline	=COUNTA(SPARKLINE({1,2,3}))	1	edge	number
+ISBLANK of a sparkline	=ISBLANK(SPARKLINE({1,2,3}))	FALSE	edge	boolean
+COUNTUNIQUE of two different sparklines	=COUNTUNIQUE(SPARKLINE({1,2,3}),SPARKLINE({9,9,9}))	2	edge	number
+COUNTUNIQUE of two identical sparklines	=COUNTUNIQUE(SPARKLINE({1,2,3}),SPARKLINE({1,2,3}))	1	edge	number
+MAX with a sparkline argument	=MAX(SPARKLINE({1,2,3}),1)	1	edge	number
+SUM with a sparkline argument	=SUM(SPARKLINE({1,2,3}),1)	1	edge	number
+number-reading text function DOLLAR	=DOLLAR(SPARKLINE({1,2,3}))	#VALUE!	edge	error
+number-reading text function FIXED	=FIXED(SPARKLINE({1,2,3}))	#VALUE!	edge	error
+number-reading conversion TO_PERCENT	=TO_PERCENT(SPARKLINE({1,2,3}))		edge	string
+text function TRIM	=TRIM(SPARKLINE({1,2,3}))		edge	string
+text function UPPER	=UPPER(SPARKLINE({1,2,3}))		edge	string
+conversion VALUE	=VALUE(SPARKLINE({1,2,3}))	0	edge	number
+PRODUCT with a direct sparkline argument	=PRODUCT(SPARKLINE({1,2,3}),3)	3	edge	number
+COUNT with a sparkline argument	=COUNT(SPARKLINE({1,2,3}),1)	1	edge	number
+option key given as a boolean	=SPARKLINE({1,2,3},{TRUE,"x"})		edge	string
+option key given as a number	=SPARKLINE({1,2,3},{0,"x"})		edge	string
+option key with different casing	=SPARKLINE({1,2,3},{"CHARTTYPE","column"})		edge	string
+charttype value with different casing	=SPARKLINE({1,2,3},{"charttype","COLUMN"})		edge	string
+two-dimensional data argument	=SPARKLINE({1,2;3,4})		edge	string
+single-row two-column data	=SPARKLINE({1,2})		edge	string
+conversion TO_DOLLARS	=TO_DOLLARS(SPARKLINE({1,2,3}))		edge	string
+conversion TO_PURE_NUMBER	=TO_PURE_NUMBER(SPARKLINE({1,2,3}))		edge	string
+conversion TO_DATE	=TO_DATE(SPARKLINE({1,2,3}))		edge	string
+PRODUCT with a sparkline as the only argument	=PRODUCT(SPARKLINE({1,2,3}))	0	edge	number
+SUM with a sparkline as the only argument	=SUM(SPARKLINE({1,2,3}))	0	edge	number
+MAX with a sparkline as the only argument	=MAX(SPARKLINE({1,2,3}))	0	edge	number
+COUNT with a sparkline as the only argument	=COUNT(SPARKLINE({1,2,3}))	0	edge	number
+AVERAGE with a sparkline as the only argument	=AVERAGE(SPARKLINE({1,2,3}))	#DIV/0!	edge	error
+numeric function ROUND	=ROUND(SPARKLINE({1,2,3}))	#VALUE!	edge	error
+numeric function ABS	=ABS(SPARKLINE({1,2,3}))	#VALUE!	edge	error
+numeric function INT	=INT(SPARKLINE({1,2,3}))	#VALUE!	edge	error
+unary minus	=-SPARKLINE({1,2,3})	#VALUE!	edge	error
+unary percent	=SPARKLINE({1,2,3})%	#VALUE!	edge	error
+SUM over a range holding a sparkline cell	=SUM(Data!K1:K2)	5	edge	number
+PRODUCT over a range holding a sparkline cell	=PRODUCT(Data!K1:K2)	5	edge	number
+MAX over a range holding a sparkline cell	=MAX(Data!K1:K2)	5	edge	number
+COUNT over a range holding a sparkline cell	=COUNT(Data!K1:K2)	1	edge	number
+COUNTA over a range holding a sparkline cell	=COUNTA(Data!K1:K2)	2	edge	number
+SUM over a range holding only a sparkline cell	=SUM(Data!K1:K1)	0	edge	number
+a sparkline cell referenced directly	=Data!K1		edge	string
+TYPE of a referenced sparkline cell	=TYPE(Data!K1)	128	edge	number
+CELL type of a sparkline	=CELL("type",SPARKLINE({1,2,3}))	#N/A	edge	error
+MEDIAN with a sparkline argument	=MEDIAN(SPARKLINE({1,2,3}),1)	1	edge	number
+STDEV with a sparkline argument	=STDEV(SPARKLINE({1,2,3}),1,2)	0.7071067811865476	edge	number
+SUMSQ with a sparkline as the only argument	=SUMSQ(SPARKLINE({1,2,3}))	0	edge	number
+MAXA with a sparkline argument	=MAXA(SPARKLINE({1,2,3}))	0	edge	number
+AVERAGEA with a sparkline argument	=AVERAGEA(SPARKLINE({1,2,3}))	#DIV/0!	edge	error
+SUMPRODUCT with a sparkline argument	=SUMPRODUCT(SPARKLINE({1,2,3}))	0	edge	number
+binary subtraction	=SPARKLINE({1,2,3})-1	#VALUE!	edge	error
+binary multiplication	=SPARKLINE({1,2,3})*2	#VALUE!	edge	error
+binary division	=SPARKLINE({1,2,3})/2	#VALUE!	edge	error
+PRODUCT over a range holding only a sparkline cell	=PRODUCT(Data!K1:K1)	0	edge	number
+MIN over a range holding a sparkline cell	=MIN(Data!K1:K2)	5	edge	number
+MAXA over a range holding only a sparkline cell	=MAXA(Data!K1:K1)	0	edge	number
+MAX over a range holding only a sparkline cell	=MAX(Data!K1:K1)	0	edge	number
+MIN over a range holding only a sparkline cell	=MIN(Data!K1:K1)	0	edge	number
+MINA with a sparkline argument	=MINA(SPARKLINE({1,2,3}))	0	edge	number
+MINA over a range holding only a sparkline cell	=MINA(Data!K1:K1)	0	edge	number
+MAXA over a range holding a sparkline and a number	=MAXA(Data!K1:K2)	5	edge	number
+AVERAGE over a range holding only a sparkline cell	=AVERAGE(Data!K1:K1)	#DIV/0!	edge	error
+COUNTUNIQUE over a range holding a sparkline	=COUNTUNIQUE(Data!K1:K2)	2	edge	number
+MIN with a sparkline as the only argument	=MIN(SPARKLINE({1,2,3}))	0	edge	number
+MAX with a sparkline and an empty array	=MAX(SPARKLINE({1,2,3}),{})	#REF!	edge	error
+MAX with a sparkline and a text-only array	=MAX(SPARKLINE({1,2,3}),{"a"})	0	edge	number