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package lsp
import (
"encoding/json"
"testing"
)
func TestInParamListAndComputeWordStart(t *testing.T) {
line := "func add(a int, b int) int { return a + b }"
if !inParamList(line, 15) { // inside params
t.Fatalf("expected inParamList true")
}
if inParamList("not a func", 3) {
t.Fatalf("expected inParamList false")
}
if n := computeWordStart("helloWorld", 10); n != 0 {
t.Fatalf("computeWordStart wrong: %d", n)
}
}
func TestStripInlineAndLabel(t *testing.T) {
if got := stripInlineCodeSpan("`abc`def"); got != "abc" {
t.Fatalf("stripInlineCodeSpan: %q", got)
}
if lbl := labelForCompletion("First line\nSecond", "fir"); lbl != "First line" {
t.Fatalf("labelForCompletion: %q", lbl)
}
if lbl := labelForCompletion("Other", "zzz"); lbl != "zzz" {
t.Fatalf("label fallback: %q", lbl)
}
}
func TestRangeComparators(t *testing.T) {
a := Range{Start: Position{Line: 1, Character: 5}, End: Position{Line: 3, Character: 0}}
b := Range{Start: Position{Line: 2, Character: 0}, End: Position{Line: 4, Character: 0}}
if !rangesOverlap(a, b) {
t.Fatalf("expected overlap")
}
if !lessPos(Position{Line: 1, Character: 0}, Position{Line: 1, Character: 1}) {
t.Fatalf("lessPos")
}
if !greaterPos(Position{Line: 2, Character: 0}, Position{Line: 1, Character: 10}) {
t.Fatalf("greaterPos")
}
if !isIdentChar('A') || isIdentChar('-') {
t.Fatalf("isIdentChar")
}
}
func TestFindGoFunctionAtLine_NoBody(t *testing.T) {
lines := []string{"func X(a int)", "// comment"}
start, end := findGoFunctionAtLine(lines, 0)
if start != 0 || end != 0 {
t.Fatalf("expected single-line prototype, got %d,%d", start, end)
}
}
func TestLineHasInlinePrompt(t *testing.T) {
if !lineHasInlinePrompt(">do>", '>', '>') {
t.Fatalf("expected inline prompt")
}
}
func TestDiagnosticsInRange_Overlap(t *testing.T) {
s := &Server{}
initServerDefaults(s)
ctx := CodeActionContext{Diagnostics: []Diagnostic{{
Range: Range{Start: Position{Line: 10, Character: 0}, End: Position{Line: 12, Character: 0}},
Message: "x",
}}}
raw, _ := json.Marshal(ctx)
sel := Range{Start: Position{Line: 11, Character: 0}, End: Position{Line: 11, Character: 1}}
out := s.diagnosticsInRange(raw, sel)
if len(out) != 1 {
t.Fatalf("expected 1 diag overlap, got %d", len(out))
}
// no diagnostics
var empty json.RawMessage
if o2 := s.diagnosticsInRange(empty, sel); len(o2) != 0 {
t.Fatalf("expected 0 with empty ctx")
}
}
func TestIndentHelpersAndPromptRemoval(t *testing.T) {
if ind := leadingIndent("\t ab"); ind == "" {
t.Fatalf("expected indent")
}
if out := applyIndent(" ", "x\ny"); out != " x\n y" {
t.Fatalf("applyIndent: %q", out)
}
// double-open trigger removes whole line
edits := promptRemovalEditsForLine(">>ask>", 3, '>', '>')
if len(edits) != 1 || edits[0].Range.Start.Line != 3 {
t.Fatalf("unexpected edits: %#v", edits)
}
// semicolon tags collect correctly when provided explicitly
edits2 := collectSemicolonMarkers("pre;do;post", 1, ';', ';')
if len(edits2) != 1 {
t.Fatalf("expected one semicolon edit, got %#v", edits2)
}
}
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