1# Create basic modules and work space.
2env TESTGO_VERSION=go1.50
3mkdir m1_22_0
4go mod init -C m1_22_0
5go mod edit -C m1_22_0 -go=1.22.0 -toolchain=go1.99.0
6mkdir m1_22_1
7go mod init -C m1_22_1
8go mod edit -C m1_22_1 -go=1.22.1 -toolchain=go1.99.1
9mkdir m1_24_rc0
10go mod init -C m1_24_rc0
11go mod edit -C m1_24_rc0 -go=1.24rc0 -toolchain=go1.99.2
12
13go work init
14grep '^go 1.50$' go.work
15! grep toolchain go.work
16
17# work use with older modules should leave go 1.50 in the go.work.
18go work use ./m1_22_0
19grep '^go 1.50$' go.work
20! grep toolchain go.work
21
22# work use with newer modules should bump go and toolchain,
23# including updating to a newer toolchain as needed.
24env TESTGO_VERSION=go1.21
25env TESTGO_VERSION_SWITCH=switch
26rm go.work
27go work init
28env GOTOOLCHAIN=local
29! go work use ./m1_22_0
30stderr '^go: m1_22_0'${/}'go.mod requires go >= 1.22.0 \(running go 1.21; GOTOOLCHAIN=local\)$'
31env GOTOOLCHAIN=auto
32go work use ./m1_22_0
33stderr '^go: m1_22_0'${/}'go.mod requires go >= 1.22.0; switching to go1.22.9$'
34grep '^go 1.22.0$' go.work
35grep '^toolchain go1.22.9$' go.work
36
37# work use with an even newer module should bump go again.
38go work use ./m1_22_1
39! stderr switching
40grep '^go 1.22.1$' go.work
41grep '^toolchain go1.22.9$' go.work # unchanged
42
43# work use with an even newer module should bump go and toolchain again.
44env GOTOOLCHAIN=go1.22.9
45! go work use ./m1_24_rc0
46stderr '^go: m1_24_rc0'${/}'go.mod requires go >= 1.24rc0 \(running go 1.22.9; GOTOOLCHAIN=go1.22.9\)$'
47env GOTOOLCHAIN=auto
48go work use ./m1_24_rc0
49stderr '^go: m1_24_rc0'${/}'go.mod requires go >= 1.24rc0; switching to go1.24rc1$'
50grep '^go 1.24rc0$' go.work
51grep '^toolchain go1.24rc1$' go.work
View as plain text